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Mini Pocket Bikes: Mini Pocket Bike Footpegs Footrest 47cc 49cc Parts

ladystar — Sat, 04 Feb 2012 21:07:03 +0000

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doitnow — Mon, 09 Jan 2012 03:49:02 +0000

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2011 Honda CBR250R: The Babyblade is back!

wpo — Mon, 10 Oct 2011 11:39:02 +0000

Twenty years ago, quarter-liter sportsbikes ruled the roost in many regions, offering a mix of racy looks, light weight and snappy performance. But in recent years, with all the other major players leaving the segment, Kawasaki has enjoyed unchallenged sales success with its sharp-looking, yet friendly Ninja 250. But the mini-ninja will soon face stiff competition from Honda's totally re-conceived babyblade CBR250R, equipped with a 249cc single-cylinder, fuel injected engine, a tasty fairing that mimics the CBR1000RR and the first instance of optional ABS to grace the market segment. This will be a killer learner machine and a great introduction to the sport for legions of young riders. It's good to see the quarter-liter segment getting some love again. Oh, and check out what the aftermarket's already coming up with for these new machines.

Back in the early 1990s, the 250cc class was red-hot -– Honda's CBR250RR battling it out with Kawasaki's ZXR250 and Yamaha's YZF250 in a stand-up mini racebike brawl that saw power figures escalating to ridiculous heights. 45 horsepower from a quarter liter, 4 cylinder 4-stroke? That's a heck of a lot, especially considering we're talking more than 20 years ago, when top-flight liter bikes weren't making much more than 130 horses.

But that's what the kids wanted: bikes that looked fast and had lots of power. And the 250cc 4-strokes fit conveniently within learner license regulations in countries like Japan and Australia. They sold like hotcakes.

But like any hard-edged sports machine, they took a lot of skill to ride. You can't make big horsepower from a 4-cylinder engine without sacrificing a lot of low-end torque, so the CBR250s of old were very easy to stall. Low-set clip-on bars would crush your thumbs against the tank as you tried to do u-turns. These things were great on the open road, but a right pain around town – and I think it's fair to say they put a fair few learners off the idea of riding altogether. They had their shiny, fast-looking bikes, but they just couldn't get their heads around how to ride the things.

Fast-forward 20 years to the learnerbike market of today -– while many countries have graduated license schemes based on power-to-weight ratios, allowing learner riders to get on big, friendly bikes like the GS500, GSX650F, CB400 and the like, the bike that has really been setting sales figures alight is the Kawasaki Ninja 250.

And the Ninja got a lot of things right; it looks fast, but it's not as highly strung as the old ZXR. In fact, it's based on the old faithful GPZ and ZZR bikes that rounded out Kawasaki's 250cc offering for decades. Practical and rewarding machines that always seemed to play second fiddle to the racier looking machines.

The Ninja 250 put a coat of glamor on top of the fantastic GPX platform, creating a learnerbike that was both desirable AND rideable, that drew new riders into the sport but gave them something encouraging and friendly to develop their skills on. Released in 2008 and more or less unchallenged in its segment, it's still selling like crazy.

So the real question here is: why did it take Honda four years to catch up?

Catch up might not be the right word; Honda's upcoming 2011 CBR250R release will push the game a little further on from the little Ninja, but it takes a few big cues from the Kawasaki's success.

First of all, it looks great, every bit the younger brother of the popular CBR1000RR and VFR1200F with its glossy paneling, triangular exhaust and underpants-shaped headlight. It looks quick and it looks *now*.

The engine choice is an interesting one – Kawasaki has had great success with the Ninja 250R's parallel twin, but Honda has opted for a single-cylinder 249cc 4-stroke, fuel injected and very much oversquare, with a bore of 76mm and a stroke of just 55mm.

No power figures are quoted as yet, but that engine configuration suggests a very torquey bike, easy to get off the line and quick to build revs. It's also light, tipping the scales at 161 kg wet. Seat height is a fair bit higher than the Ninja 250R, at 78 cm versus the Kawasaki's 74.5 cm.

Most significantly, the Honda CBR250R will be the first bike in the segment to offer an ABS braking system – in this case, Honda's Combined ABS system, which in addition to managing wheel slip, also makes a proportion of the rear pedal braking pressure activate the front brakes.

It cannot be overstated what a good idea this is on a learner bike. I've had my reservations about motorcycle ABS systems in the past, but the simple fact is, you can grab and stomp the brake levers like a baboon in the pouring rain and Honda's ABS system will get you safely to a stop. And the combined braking system will nurse learners through that ubiquitous period where they're too afraid to get on the front brakes hard because of all the weight transfer issues. This combined ABS system alone will certainly save a legion of young riders from expensive and painful drops and crashes they would have had without it.

ABS is an optional addition, adding additional cost and 4kg of weight to the package. I would thoroughly recommend it.

So there you have it; in some ways, you might look at the new CBR250 and see it as a step backwards from what we had in the late 80s and early 90s. It will certainly not match the stratospheric power figures of that era, but as an entry machine into the world of motorcycling, it will serve new riders much better – without sacrificing the desirability factor of the older machines.

The aftermarket is already getting in on the act, anticipating this machine will be a big hit. The recent Thai Motor Expo saw big-name players like Mugen and Moriwaki showcasing an array of aftermarket gear for the new babyblade, including a couple of full fairing kits to make race replicas. Expect this part of the market to take off even harder when MotoGP's 125cc 2-strokes leave the grid forever, replaced by 250cc 4-strokes. Check out the prototypes below:

Loads more photos in the gallery, by the way.

The only thing that remains to be seen is how the new CBR goes against the Ninja 250R – and you can bet your hat there'll be a rash of comparo tests hitting the magazines and the Web the second the CBR250R becomes available – which will be in Q2 this year. Whichever one takes off quicker from the lights, my vote's with the Honda and its ABS system.

... http://www.zimbio.com/Motorcycles/articles/_SmB0O2QOro/2011+Honda+CBR250R+Babyblade+back Motorcycles - Articles - Zimbio

Custom Touring Motorcycles: German Black Leather Motorcycle Biker Cruiser Scooter Touring Half Helmet DOT (Medium)

windy — Thu, 29 Sep 2011 10:10:02 +0000

Custom Touring Motorcycles page >>>>>>

History Of Bmw Motorcycles Motorcycle history

BMW's opposed engine and transmission unit in an R 32.

Pre-1921

BMW began as an aircraft engine manufacturer before World War I. With the Armistice, the Treaty of Versailles banned the German air force so the company turned to making air brakes, industrial engines, agricultural machinery, toolboxes and office furniture and then to motorcycles and cars.

The origin of the BMW roundel

The circular blue and white BMW logo or roundel is often alleged to portray the movement of an aircraft propeller, an interpretation that BMW adopted for convenience in 1929, which was actually twelve years after the roundel was created. In fact, the emblem evolved from the circular Rapp Motorenwerke company logo, from which the BMW company grew. The Rapp logo was combined with the blue and white colors of the flag of Bavaria to produce the BMW roundel so familiar today.

19211945

1939 BMW R 35

BMW Sahara, Poland 1944

In 1921, BMW began its long association with a 1886 German invention known to Germans as the boxermoter (see Karl Benz and flat engines). However, the first BMW motorcycle engine seems to have been copied by Max Friz, BMW's famous chief designer, in four weeks from a British Douglas design.[citation needed] This 19211922 M2B15 boxer was manufactured by BMW for use as a portable industrial engine, but was largely used by motorcycle manufacturers, notably Victoria of Nuremberg, and in the Helios motorcycle made by Bayerische Flugzeugwerke. Friz was also working on car engines.[citation needed] The boxer design in a motorcycle is firmly linked to BMW, but has been used (not always in volume) by a number of other companies worldwide, including Honda in their Gold Wing from 1975 to the present.

BMW merged with Bayerische Flugzeugwerke in 1922, inheriting from them the Helios motorcycle and a small two-stroke motorized bicycle called the Flink. In 1923, BMW's first "across the frame" version of the boxer engine was designed by Friz. The R32 had a 486 cc engine with 8.5 hp (6.3 kW) and a top speed of 95100 km/h (60 mph). The engine and gearbox formed a bolt-up single unit. At a time when many motorcycle manufacturers used total-loss oiling systems, the new BMW engine featured a recirculating wet sump oiling system with a drip feed to roller bearings. This system was used by BMW until 1969, when they adopted the "high-pressure oil" system based on shell bearings and tight clearances, still in use today.

The R32 became the foundation for all future boxer-powered BMW motorcycles. BMW oriented the boxer engine with the cylinder heads projecting out on each side for cooling as did the earlier British ABC. Other motorcycle manufacturers aligned the cylinders with the frame, one cylinder facing towards the front wheel and the other towards the back wheel. For example, Harley-Davidson introduced the Model W, a flat twin oriented fore and aft design, in 1919 and built them until 1923.

The R32 also incorporated shaft drive. BMW continued to use shaft drive in all of its motorcycles until the introduction of the F650 in 1994 and the F800 series in 2006, which featured either chain drive or a belt drive system.

In 1937, Ernst Henne rode a supercharged 500 cc overhead camshaft BMW 173.88 mph (279.83 km/h), setting a world record that stood for 14 years.

During World War II the Wehrmacht needed as many vehicles as it could get of all types and many other German companies were asked to build motorcycles. The BMW R75, a copy of a Zndapp KS750, performed particularly well in the harsh operating environment of the North African campaign. Motorcycles of every style had performed acceptably well in Europe, but in the desert the protruding cylinders of the flat-twin engine performed better than configurations which overheated in the sun, and shaft drives performed better than chain-drives which were damaged by desert grit.

So successful were the BMWs as war-machines that the U.S. Army asked Harley-Davidson, Indian and Delco to produce a motorcycle similar to the side-valve BMW R71. Harley copied the BMW engine and transmission simply converting metric measurements to inches and produced the shaft-drive 750 cc 1942 Harley-Davidson XA.

19451955

Tank roundel with Serif typeface

BMW R35, built in East Germany after World War II

The first postwar West German BMW, an original condition 1948 250 cc BMW R24

1954 500 cc BMW R51/3

1967 BMW R60/2 with 26 l (5.7 imp gal; 6.9 US gal) tank and large dual saddle

1969 R69US with telescopic forks

1964 250cc BMW R27, the last BMW shaft-driven single

1973 BMW R75/5 LWB

The end of World War II found BMW in ruins. Its plant outside of Munich was destroyed by Allied bombing. The Eisenach facility was not. It was dismantled by the Soviets as reparations and sent back to the Soviet Union where it was reassembled in Irbit to make IMZ-Ural motorcycles as is commonly alleged. The IMZ plant was supplied to the Soviets by BMW under license prior to the commencement of the Great Patriotic War. After the war the terms of Germany's surrender forbade BMW from manufacturing motorcycles. Most of BMW's brightest engineers were taken to the US and the Soviet Union to continue their work on jet engines which BMW produced during the war.

When the ban on the production of motorcycles was lifted in Allied controlled Western Germany, BMW had to start from scratch. There were no plans, blueprints, or schematic drawings because they were all in Eisenach. Company engineers had to use surviving pre-war motorcycles to copy the bikes. The first post-war BMW motorcycle in Western Germany, a 250 cc R24, was produced in 1948. The R24 was based on the pre-war R23, and was the only postwar West German BMW with no rear suspension. In 1949, BMW produced 9,200 units and by 1950 production surpassed 17,000 units.

BMW boxer twins manufactured from 1950 to 1956 included the 500 cc models R51/2 and 24 hp (18 kW) R51/3, the 600 cc models 26 hp (19 kW) R67, 28 hp (21 kW) R67/2, and R67/3, and the sporting 35 hp (26 kW) 600 cc model R68. All these models came with plunger rear suspensions, telescopic front forks, and chromed, exposed drive shafts. Except for the R68, all these twins came with "bell-bottom" front fenders and front stands.

The situation was very different in Soviet-controlled Eastern Germany where BMW's sole motorcycle plant in Eisenach was producing R35 and a handful of R75 motorcycles for reparations. This resulted in one BMW motorcycle plant existing in Eisenach between 1945 and 1948 and two motorcycle companies existing between 1948 and 1952. One was a BMW in Munich in Western Germany (later the German Federal Republic) and the other in Soviet controlled Eisenach, Eastern Germany (later the German Democratic Republic), both using the BMW name. Eventually in 1952. after the Soviets ceded control of the plant to the East German Government, and following a trademark lawsuit, this plant was renamed EMW (Eisenacher Motoren Werke). Instead of BMW's blue-and-white roundel, EMW used a very similar red-and-white roundel as its logo. No motorcycles made in East Germany after World War II were manufactured under the authority of BMW in Munich as there was no need for an occupying power to gain such authority. After the collapse of the Iron Curtain many EMW models have made their way to the USA. Sometimes it is found that owners of these EMW motorcycles have replaced EMW roundels with BMW roundels in an effort to pass them off as BMW models.[citation needed] It is possible to find find restored R35 motorcycles today parts of which are EMW and parts of which are BMW as many parts are interchangeable, making authentic identification quite difficult because all BMW R35 motorcycles were produced in Eisenach until 1952, when they became EMW.

19551969

As the 1950s progressed, motorcycle sales plummeted. In 1957, three of BMW's major German competitors went out of business. In 1954, BMW produced 30,000 motorcycles. By 1957, that number was less than 5,500. However, by the late 1950s, BMW exported 85% of its boxer twin powered motorcycles to the United States.[citation needed] At that time, Butler & Smith, Inc. was the exclusive U.S. importer of BMW.

In 1955, BMW began introducing a new range of motorcycles with Earles forks and enclosed drive shafts. These were the 26 hp (19 kW) 500 cc R50, the 30 hp (22 kW) 600 cc R60, and the 35 hp (26 kW) sporting 600 cc R69.

On June 8, 1959, John Penton rode a BMW R69 from New York to Los Angeles in 53 hours and 11 minutes, slashing over 24 hours from the previous record of 77 hours and 53 minutes set by Earl Robinson on a 45 cubic inch (740 cc) Harley-Davidson.

Although U.S. sales of BMW motorcycles were strong, BMW was in financial trouble. Through the combination of selling off its aircraft engine division and obtaining financing with the help of Herbert Quandt, BMW was able to survive. The turnaround was thanks in part to the increasing success of BMW's automotive division. Since the beginnings of its motorcycle manufacturing, BMW periodically introduced single-cylinder models. In 1967, BMW offered the last of these, the R27. Most of BMW's offerings were still designed to be used with sidecars. By this time sidecars were no longer a consideration of most riders; people were interested in sportier motorcycles.

The 26 hp (19 kW) R50/2, 30 hp (22 kW) R60/2, and 42 hp (31 kW) R69S marked the end of sidecar-capable BMWs. Of this era, the R69S remains the most desirable example of the dubbed "/2" ("slash-two") series because of significantly greater engine power than other models, among other features unique to this design.

For the 1968 and 1969 model years only, BMW exported into the United States three "US" models. These were the R50US, the R60US, and the R69US. On these motorcycles, there were no sidecar lugs attached to the frame and the front forks were telescopic forks, which were later used worldwide on the slash-5 series of 1970 through 1973. Earles-fork models were sold simultaneously in the United States as buyers had their choice of front suspensions.

19701982

In 1970, BMW introduced an entirely revamped product line of 500 cc, 600 cc and 750 cc displacement models, the R50/5, R60/5 and R75/5 respectively and came with the "US" telescopic forks noted above. The engines were a complete redesign from the older models, producing more power and including electric starting (although the kick-starting feature was still included). Part way through the 1973 model year, a long wheel base (LWB) was added to correct some earlier handling problems. These models are popularly called 1973 models. Most models were came with large 6-gallon tanks, but some came with 4-gallon tanks. These are called "toaster" models because of the tank's resemblance to a kitchen toaster.

The "/5" models were short-lived, however, being replaced by another new product line in 1974. In that year the 500 cc model was deleted from the lineup and an even bigger 900 cc model was introduced, along with improvements to the electrical system and frame geometry. These models were the R60/6, R75/6 and the R90/6. In 1975, the kick starter was finally eliminated and a supersport model, the BMW R90S, was introduced. In addition to "/" or "slash" models, other Airhead models such as the G/S (later, GS) and ST also have dedicated followings within BMW circles, while others favor certain earlier models like /5 "toasters." Each has its merits which owners will freely debate with enthusiasm. Later BMW model types such as K-bikes (1983 on) and oilheads (1993 on) included technical innovations that made them more complicated though many owners still elect to service them personally.

1994 BMW R100RT

In 1977, the product line moved on to the "/7" models. The R80/7 was added to the line. The R90 (898 cc) models, "/6" and R90S models had their displacement increased to 1,000 cc; replaced by the R100/7 and the R100S, respectively. These were the first liter size (1,000 cc) machines produced by BMW. 1977 was a banner year with the introduction of the first BMW production motorcycle featuring a full fairing, the R100RS. This sleek model, designed through wind-tunnel testing, produced 70 hp (51 kW) and had a top speed of 200 km/h (124 mph). In 1978, the R100RT was introduced into the lineup for the 1979 model year, as the first "full-dress" tourer, designed to compete in this market with the forthcoming Honda Gold Wing.

In 1979, the R60 was replaced with the 650 cc R65, an entry-level motorcycle with 48 hp (36 kW) that had its very own frame design. Due to its smaller size and better geometrics, front and rear 18-inch (460 mm) wheels and a very light flywheel, was an incredibly well-handling bike that could easily keep up and even run away from its larger brothers when in proper hands on sinuous roads. BMW added a variant in 1982: the R65LS, a "sportier" model with a one-fourth fairing, double front disc brakes, stiffer suspension and different carburettors that added 5 hp (4 kW). A short stroke version of the R65, the 450 cc R45 appeared in some markets.[citation needed]

19832003

1986 BMW K100RS

BMW R1200C cruiser

1993 BMW K1100RS with aftermarket Hagon rear shock

1996-2004 BMW K1200RS

BMW R1150RT

In early 1983, BMW introduced a 1,000 cc, in-line four-cylinder, water-cooled engine to the European market, the K100. The K series comes with a simplified and distinctive rear suspension, a single-sided swingarm. (In 1985 the traditionally powered boxer R80RT touring bike received this monolever rear suspension system and in 1987 the R100RT got it). ]]>
In 1985, BMW came a 750 cc three-cylinder version, this one smoothed with another first, a counterbalance shaft.

In 1986, BMW introduced an electrically adjustable windshield on the K100LT.

In 1988, BMW introduced ABS on its motorcycles. ABS became standard on all BMW K models. In 1993 ABS was first introduced on BMW's boxer line on the R1100RS. It has since become available as an option on the rest of BMW's motorcycle range.

In 1989, BMW introduced its version of a full-fairing sport bike, the K1. It was based upon the K100 engine, but now with four valves per cylinder. Output was near 100 hp (75 kW).

In 1995, BMW ceased production of airhead 2-valve engines and moved its boxer engined line completely over to the 4-valve oilhead system first introduced in 1993.

During this period, BMW introduced a number of motorcycles including:

R Series (airheads) - R65GS, R80GS, R100GS,

R Series (oilheads) - R850R/GS/C, R1100R/RS/RT/GS/S, R1150R/RS/RT/GS/S, R1200C

F Series - F650 Funduro, F650ST Strada, F650GS, F650GS Dakar, F650CS Scarver

K Series - K1, K100, K100RS, K100RT, K75, K75C, K75S, K75RT, K1100RS, K1100LT, K1200RS, K1200LT, K1200GT.

The R1200C, produced from 1997 to 2004, was BMW Motorcycles only entry into the Cruiser market.

Since 2004

K series

On 25 September 2004, BMW globally launched a radically redesigned K Series motorcycle, the K1200S, containing an all new in-line four-cylinder, liquid-cooled engine featuring 123 kW (165 hp). The K1200S was primarily designed as a Super Sport motorcycle, albeit larger and heavier than the closest Japanese competitors. Shortly after the launch of the K1200S, problems were discovered with the new power plant leading to a recall until the beginning of 2005, when corrective changes were put in place. Recently, a K1200S set a land speed record for production bikes in its class at the Bonneville Salt Flats, exceeding 174 mph (280 km/h).

In the years after the launch of K1200S, BMW has also launched the K1200R naked roadster, and the K1200GT sport tourer, which started to appear in dealer showrooms in spring (March-June) 2006. All three new K-Series motorcycles are based on the new in-line four-cylinder engine, with slightly varying degrees of power. In 2007, BMW added the K1200R Sport, a semi-faired sport touring version of the K1200R.

In October 2008, BMW launched three new 1,300 cc K-series models: the K1300R, K1300S and K1300GT. The K1300 models feature increased in engine capacity of 136 cc, an increase in power to 175 hp (130 kW) and a new exhaust system.

Two BMW R1200GS

R series

In 2004, bikes with the opposed-twin cylinder "boxer" engine were also revamped. The new boxer displacement is just under 1,200 cc, and is affectionately referred to a "hexhead" because of the shape of the cylinder cover. The motor itself is more powerful, and all of the motorcycles that use it are lighter.

The first motorcycle to be launched with this updated engine was the R1200GS dual-purpose motorcycle. The R1200RT tourer and R1200ST sports tourer followed shortly behind. BMW then introduced the 175 kg (390 lb), 105 kW (141 hp) HP2 Enduro, and the 223 kg (490 lb), 100 hp (75 kW) R1200GS Adventure, each specifically targeting the off-road and adventure-touring motorcycle segment, respectively. In 2007, the HP2 Enduro was joined by the road-biased HP2 Megamoto fitted with smaller alloy wheels and street tyres.

In 2006, BMW launched the R1200S, which is rated at 90 kW (121 hp) @ 8,250 rpm.

F 800S

F series

BMW has also paid attention to the F Series in 2006. It lowered the price on the existing F650&GS; and F650GS Dakar, and eliminated the F650CS to make room in the lineup for the all-new F800 Series. The new motorcycles are powered by a parallel twin engine, built by Rotax. They feature either a belt drive system, similar to the belt drive found on the now defunct F650CS, or chain drive. Initially, BMW launched two models of the new F800 Series, the F800S sport bike and the F800ST sport tourer; these were followed by F650GS and F800GS dual-purpose motorcycles, both of which use the 798 cc engine despite the different names.

G650 Xchallenge enduro

G series

In October 2006, BMW announced the G series of offroad style motorcycles co-developed with Aprilia. These are equipped with an uprated single cylinder water cooled 652 cc fuel injected engine producing 53 hp (40 kW), similar to the one fitted to the single-cylinder F650GS, and are equipped with chain drive. There are three models in the series, all produced for BMW by Aprilia in their North Italian Scorz Plant, each focused on a slightly different market:

G650 Xchallenge hard enduro featuring 21 inch front and 18 inch rear spoked wheels

G650 Xcountry scrambler / adventure sports featuring 19 inch front and 17 inch rear spoked wheels

G650 Xmoto street moto / supermoto featuring 17 inch cast alloy wheels

In some markets the single cylinder F650GS has been rebranded as the G650GS.

HP2 Series

First was the the 175 kg (390 lb), 105 kW (141 hp) HP2 Enduro, followed by the road-biased HP2 Megamoto fitted with smaller alloy wheels and street tyres in 2007.

In April 2007, BMW announced its return to competitive road racing, entering a factory team with a "Sport Boxer" version of the R1200S to four 24-hour endurance races.. In 2008 they released this as the HP2 Sport.

S1000RR

Main article: BMW S1000RR

The S1000RR is a super bike launched to compete in the 2009 Superbike World Championship. It is powered by a 999 cc (61 cu in) inline-four engine producing 193 bhp (144 kW).

Husqvarna acquisition

In July 2007, it was announced that BMW had signed a contract to acquire Husqvarna Motorcycles, including its production facilities and staff, from Italian manufacturer MV Agusta.

Engine types

There are currently four lines of BMW motorcycles:

F & G series singles

F series twins

R series

K series

The series differ primarily in the class of engine that each uses.

F and G series singles

The F Series of single cylinder BMW motorcycles was first launched in 1994, as the F650, and was built by Aprilia around a carbureted 650 cc four-stroke, four valve, single piston engine, and chain drive. The mission for the F 650 was to provide an entry level BMW motorcycle. In 2000, the F650 was redesigned, now with fuel injection, and labeled the F650GS. An off-road focused F650 Dakar model was also launched that year. 2002 saw the addition of the F650CS 'Scarver' motorcycle to the line up. The Scarver was different from the F650GS variants in that it utilized a belt drive system opposed to a chain, had a much lower seat height, and was intended for on-road use. All F650 motorcycles produced from 2000 to 2007 used a 652 cc engine built in Austria by Rotax and were built by BMW in Berlin.

In late 2006, the G series of offroad biased bikes motorcycles was launched using the same 652 cc engine fitted to the F650GS, although that engine is no longer manufactured by Rotax.

In November 2007, the G450X sport enduro motorcycle was launched using a 450 cc single cylinder engine. The G450X contained several technological improvements over the Japanese off road racing motorcycles but the most unique and significant was the use of a single pivot point for the drive sprocket and the swing arm. This unusual configuration allowed for a very tense drive chain with no slop and eliminated acceleration squat. The former benefit saves on chain and sprocket wear and the later allows for a more consistent drive geometry and fully available rear suspension travel during heavy acceleration.

F series twins

In mid 2006, The F Series added two new motorcycles to the lineup, the F800S sports bike and F800ST sports tourer, both which use an 798 cc parallel-twin engine built by Rotax. Both motorcycles also feature a belt drive system similar to what was in use on the F650S. In 2007 the single cylinder F650GS was replaced with the twin cylinder F800GS and F650GS models. The latter uses a de-tuned version of the 798 cc engine fitted to the F800GS, marking a departure from BMW's naming convention.

R series

Four different BMW valve covers.

1954 R68's two-fin valve cover

The R series are built around a horizontally opposed flat-twin boxer engine. As the engine is mounted with a longitudinal crankshaft, the cylinder heads protrude well beyond the sides of the frame, making the R series motorcycles visually distinctive. Originally, R series bikes had air-cooled heads ("air heads"), but are now produced only with oil-cooled heads ("oilheads" and "hexheads").

Photo of Four different BMW "heads": How do you tell the different BMW valve covers ("heads") since 1970 apart? The "airhead" cover on a 1973 R75/5 is upper left. The first "oilhead" cover, introduced in model year 1993 in Europe and 1994 in the US, is upper right. The "oilhead" cover on an R1150RT, with two spark plugs per cylinder, is lower left. The latest "hexhead" cover, with an optional valve cover protector, on an R1200RT, is lower right.

Photo of Pre-1970 valve cover: A common valve cover from 19521969 on models R50, R60, R50/2, R60/2, R51/3, R67, R67/2, R67/3 had six fins. The R50S, R68, R69, and R69S of this period had two-fin valve covers.

K series

The K series BMW's have water cooled engines of three (K75) or four (K100, K1100, K1200, K1300) cylinders. Until 2005, although currently in use on the K1200LT, the engine was longitudinal, laid out on its left side with the cylinder heads on the left and the crankshaft on the right. It is called the "Flying Brick" because of the appearance of this layout. Sales did not meet BMW's expectations, and production ceased with the 1993 model. By the end of the K series' run, 6,921 units had been produced. In 2004, BMW introduced a new 4-cylinder water cooled engine that transverses the chasis and is tilted forward 55 degrees. The BMW K75, three-cylinder, models were produced from 1985 to 1996.

BMW K100 motorcycle engine circa 1986

BMW 2004 K 1200GT, style produced only two years

The first K-series production bike was the K100, which was introduced in the 1983. It was followed by the K100RS in 1983, the K100RT in 1984, and the K100LT in 1986. In 1987, the K100 (Mark II) was introduced with ABS brakes, the first ever on a motorcycle. In 1988 and until 1993, BMW produced the K1, a full faring version of the K 100 with the new paralever style rear suspension. It had the Bosch Motronic fuel injection system. Initially it cost 20,200 DM. Only 6,900 were produced.

In 1985, the K75, three cylinder, was introduced. The K75C was the first model with this new engine. It was followed by the K75S, the K75, and the touring version K75RT. The last year of production of the K75 motorcycles was 1996.

In 1991 BMW increased the displacement of the K 100 from 987 cc, and the model designation became the K1100 (1097 cc). The K1100LT was the first with the new engine displacement. In 1992, the K1100RS was introduced, ending the 8 year of production of the K100 models. In 1998 BMW increased the size again to 1170 cc. This upgraded flat four engine appeared in the K1200RS. In 2003, the fully-faired K1200GT, equipped with hard side cases and larger screen with electric height adjustment. The chasis of the K1200RS was extended and strengthened for BMW's luxury touring model the K1200LT, which is still in production in 2009.

The later K1200 engine is a 1157 cc transverse inline four, announced in 2003 and first seen in the 2005 K1200S. The new engine generates a healthy 123 kW (165 hp) but the most striking detail, both visually, and on paper, is its 55 degree forward tilt and 43 cm (17 in) width, giving the bikes a very low center of mass without reducing maximum lean angles. The transverse K1200 engine is used in K1200S, R, R Sport and GT.

In October 2008, BMW announced the new K1300GT, K1300S and K1300R models, all of which feature a larger capacity 1293 cc engine producing up to 175 hp (130 kW). The new engine produces maximum power output 1,000 RPM lower than the previous engine, produces more torque due in part butterfly flap fitted in the exhaust.

Model designation

BMW motorcycles are named according to a three-part code made up of the engine type, approximate engine volume, and styling information (e.g., sport, sport touring, luxury touring, etc.). The three parts are separated by blanks.

Engine type

R - boxer engine, horizontally opposed flat twin cylinder

K - in-line 3 or 4 cylinder water-cooled engine

F & G - single or twin vertical cylinder water-cooled engine

Engine displacement in cc

Current models: 1300, 1200, 900, 800, 650 and 450. Previous models included 850, 1100, and 1150.

Older model BMWs divide the approximate engine displacement by ten for the model number. For example, K75 = approx 750 cc.

R1200RT-P police "motor"

Styling suffix designations:

C - Cruiser

CS - Classic Sport

G/S - Gelnde/Strasse Off-road/Street

GS - Gelnde Sport Off-road Sport (Enduro)

GT - Gran Turismo or Grand Touring

LT - Luxus Tourer (Luxury Tourer)

R - Road or Roadster - typically naked

RS - Reise Sport (Travel Sport)

RT - Reise Tourer (Travel Tourer)

S - Sport

ST - Strasse (Street) or Sport Tourer

T - Touring

Additionally, a bike may have the following modifiers in its name:

A - ABS

L - luxury

P - police

C - custom

PD - Paris Dakar

Examples: K1200S, R1200RT, F650GS, R1150RSL, K1200LT, K1200LT-C, R1200RT-P, R1200RSA.

Prior to the introduction of the K100 series and the R1100 series motorcycles, the letter prefix was always the same, and the numbers were either based on displacement, as mentioned above, or were just model numbers.

Technologies

BMW is a world leader in successfully innovating motorcycle suspension technologies.

Single-sided rear suspension

The first BMW monolever suspensions appeared in 1980 on the then-new R80G/S range. It had a single universal joint immediately behind the engine/gear-box unit. This system was later included on updated versions of the K & R Series.

Paralever

Paralever is a further advance in BMW's single-sided rear suspension technology (photo right). It decouples torque reaction as the suspension compresses and extends, avoiding the tendency to squat under braking and reducing tyre chatter on the road surface. It was introduced in 1988 R80GS and R100GS motorcycles.

BMW's revised, inverted Paralever on an R1200GS Adventure.

In 2005, along with the introduction of the "hexhead", BMW inverted the Paralever and moved the torque arm from the bottom to the top of the drive shaft housing (photo right). This reduces underhang of components and tends to increase ground clearance in right lean.

It is believed[by whom?] that the term Paralever was developed due to the appearance of a parallelogram shape between the four items making up the rear suspension (rear drive, drive shaft, transmission, and lower or upper brace). Other motorcycle manufacturers have patented versions of this system, including Arturo Magni for MV Agusta and Moto Guzzi's Compact Reactive Shaft Drive.

Telescopic front fork

In 1935, BMW became the first manufacturer to fit a hydraulically damped telescopic fork to its motorcycles.[citation needed] Nimbus of Denmark had been fitting telescopic forks since 1934, but its version was undamped until 1939.[citation needed] BMW still uses telescopic forks today on its F-series, G-series and HP motorcycles. The R-series and K-series use the Telelever and the Duolever front suspensions.

Earles front fork

Englishman Ernest Earles designed a unique triangulated fork that resists the side-forces introduced by sidecars (unlike telescopic forks). BMW fitted the Earles fork to all its models for 14 years from 1955. In the event, this was the year that use of sidecars peaked and quickly fell off in most European markets (eg the UK) but the Earles fork system was well-liked by solo riders too. It causes the front end of the motorcycle to rise under braking the reverse of the action of a telescopic fork. The mechanical strength of this design sometimes proved to be a weakness to the rest of the motorcycle, since it transfers impact pressure to the frame where damage is more difficult and expensive to correct.

Telelever front fork

BMW's Telelever front suspension on a R1150R.

The Telelever system was developed by Saxon-Motodd in Britain in the early 1980s. The Telelever is a unique front fork, where the shock absorber is located between and behind the two primary tubes attached to a telelever arm.

This system both lowers unsprung weight as well as decouples wheel placement function of the forks from the shock absorption function - eliminating brake dive and providing superior traction during hard-braking situations. This system improves comfort and stability considerably while providing excellent and sporty handling.

In the photo to the left you can see the Telelever suspension unit. The two fork tubes provide no damping or suspension. The front of the light gray "A-arm" can be seen reaching forward from the side of the engine to the (hidden) cross brace between the fork tubes.

Duolever

The top of the Duolever suspension

In 2004, BMW announced the K1200S, incorporating a new front suspension based upon a design by Norman Hossack. BMW recognised this fact but paid Hossack no royalties. BMW named its new front suspension the Duolever. As of 2009, the Duolever is on the K1300S, K1300R and K1300GT.

The official BMW Motorrad explanation of the duolever is:

The Duolever front wheel suspension is kinematically regarded as a square joint, in which two trailing links made of forged steel are attached via rolling bearings to the frame. These trailing links, which visually resemble a conventional fork, guide the extremely torsionally rigid wheel carrier made of aluminium permanent mold casting. A central strut, which adjusts the suspension and damping, is linked to the lower of the two trailing links, and rests against the frame.

A trapezoidal shear joint mounted to the control head and the wheel carrier is coupled with the handlebar. This shear joint transmits the steering movements. Thus, the Duolever design in contrast to the telefork does not need sliding and fixed tubes. At the same time, it decouples the steering as well as the damping more consistently than the proven telelever.

The advantage of this front wheel suspension on the motorcycle market at present is its torsional rigidity. The BMW Motorrad Duolever front wheel suspension is not influenced by negative forces in the same manner as a conventional telefork whose fixed and take-off tubes twist laterally as well as longitudinally during jounce/rebound and steering. Its two trailing links absorb the forces resulting from the jounce/rebound and keep the wheel carrier stable. Thus, any torsioning is excluded and the front wheel suspension is very precise. The steering commands of the rider are converted directly and the feedback from the front wheel is transparent in all driving conditions.

A kinematical anti-dive effect is additionally achieved, just as for the Telelever, due to the arrangement of the trailing link bearings. While a conventional telefork during strong braking manoeuvres jounces heavily or locks, the Duolever still has sufficient spring travel remaining in this situation and therefore the rider can still brake into the corner extremely late yet directionally stable.

The obstacle-avoidance manoeuvre of the front wheel when riding over uneven surfaces can be converted with the Duolever similar to the behaviour of a telefork. In connection with the low unsprung masses and the small breakaway forces of the system, this results in more sensitive and comfortable response characteristics.

Restoration

This section does not cite any references or sources.

Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (May 2009)

Admirers of vintage BMW motorcycles are growing rapidly in number. As time marches on, that which BMW enthusiasts consider "vintage" is amended. Pre-war BMWs are the most coveted, as demonstrated during the Gooding & Company auction in California in October 2006, when a 1925 BMW R32 sold for ,000.[citation needed]

An R60/2 undergoing a frame-up concours restoration

A concours R50/2 goes on the stage at MidAmerica Auctions in Las Vegas in 2007

Plunger-frame models from the 1950s are the next most coveted, and then "Slash-2" variants from 1955 to 1969. In recent years, the "Slash-5" models from the 1970 to the 1973 model years have begun to join that exclusive club. Prices for historic BMW models have been rising quickly, fed in part by motorcycle auctions such as the massive Mid-America Auction held each January in Las Vegas, Nevada.

Opinions as to the treatment of vintage motorcycle varies according to their condition and their owners' tastes. First preference tends to be for preserving the original machine if it is in reasonably good condition. Second preference is to do limited restoration, maintaining as much of the original fabric as possible. Third, when dealing with a machine in poor condition, is so-called frame-up restoration. In the latter case, the motorcycle is completely disassembled and each individual part is refurbished, and then the motorcycle is reassembled hewing as much as possible to the original design, but sometimes using modern replacement parts, such as stainless steel, or plating parts that were originally not plated. At the extreme end of restoration is the "concours" restoration in which only original parts are used and work is done with an obsession for originality in every minor detail. Unlike many other motorcycle brands, parts for vintage BMWs, though expensive, are obtainable from sources in Germany and the United States.

There are several professional BMW motorcycle restorers at work in North America and Europe. Two American membership organizations, Vintage BMW Motorcycle Owners and the BMW Veteran Motorcycle Club of America are dedicated to the preservation of vintage BMW motorcycles.

BMW C1 scooter

Main article: BMW C1

The BMW C1 is an enclosed scooter produced from 2000 to 2002, with a 124 cc or 176 cc engine.

References

^ "The Origin of the BMW Logo: Fact and Fiction" (PDF)

^ a b Norbye, Jan P. (1984). "The Origins of BMW: From Flying Machines to Driving Machines". BMW - Bavaria's Driving Machines. New York, NY, USA: Beekman House. pp. 1417. ISBN 0-517-42464-9.

^ BM Bikes BMW R32 specifications

^ Harley XA, The Motorcycle Museum

^ BMW R51/3 boxer twin

^ EMW roundel

^ BMW Boxer Twins 1955-1969

^ BMW R69S

^ BM Bikes BMW R100RS Specifications

^ Sport Rider BMW K1200S specifications

^ K1200R Sport

^ "BMW Motorrad unveils new K-Series models - K Series celebrates 25th anniversary with 3 new models!". BMW Motorrad UK. 7 October 2008. http://www.bmw-motorrad.co.uk/uk/en/individual/news/index.html?id=77. Retrieved 2008-10-22.

^ a b Omorogbe, Jane (3 April 2008). "Ridden: BMW F800GS and F650GS". MSN. http://cars.uk.msn.com/reviews/articles.aspx?cp-documentid=147873780. Retrieved 11 November 2009.

^ "G650GS 2009". BMW Motorrad USA. http://www.bmwmotorcycles.com/bikes/bike.jsp?b=2009g650gs&bikeSection=enduro. Retrieved 2008-12-17.

^ Scoop BMW press release

^ Carroll, Michael (2008-04-16). "BMW officially unveils World Superbike contender". Motorcycle News. http://www.motorcyclenews.com/MCN/News/newsresults/mcn/2008/april/14-20/apr1608bmwoficiallyunveilsworldsuperbikecontender/. Retrieved 2008-04-17.

^ "BMW buys Husqvarna". Motorcycle News. 20 July 2007. http://www.motorcyclenews.com/MCN/News/newsresults/mcn/2007/July/july16-22/jul2007bmwbuyshusqvarna/?&R=EPI-92852. Retrieved 2007-08-27.

^ "BMW Motorrad acquires Husqvarna Motorcycles". American Motorcyclist Association. 20 July 2007. http://www.ama-cycle.org/news/2007/bmwhusky.asp. Retrieved 2007-08-27.

^ Richard Backus (May/June 2009). "1989-1993 BMW K1". Motorcycle Classics. http://www.motorcycleclassics.com/motorcycle-reviews/1989-1993-BMW-K1.aspx. Retrieved 2009-08-04.

^ BMW BMW technology site

^ BMW Motorrad Deutschland

^ BMW Motorcycles: Bikes: F 650 GS

^ BMW Motorrad International

^ http://www.bmw-motorrad.co.uk/com/en/services/techniquedetail/lexicon_view/duolever.html

Further reading

Holmstrom, Darwin; Nelson, Brian J. (June 2002). BMW Motorcycles. MotorBooks/MBI Publishing Company. ISBN 9780760310984.

Ash, Kevin (May 2006). BMW Motorcycles: The Evolution of Excellence. Whitehorse Press. ISBN 9781884313578.

Falloon, Ian (November 2003). The BMW story: production and racing motorcycles from 1923 to the present day. Sparkford, England: Haynes Publishing. ISBN 9781859608548.

External links

Wikimedia Commons has media related to: BMW motorcycles

BMW Motorrad worldwide homepage

BMW motorcycles at the Open Directory Project

v d e

BMW Motorcycles

F & G Series

F650 & F650GS (single) F650CS F650GS (twin) & F800GS F800R F800S

K Series

K1 K75 K100 K1200GT K1200R K1300R

R Series

R27 R32 R51/3 R60/2 R65 R69S R75 R50/5, R60/5 & R75/5 R80G/S R90S R1100GS R1150GS R1200C R1200GS R1200R R1200RT

Other Bikes

S1000RR GS family C1

Misc

247 engine BMW Motorcycle Owners of America History of BMW motorcycles Husqvarna Motorcycles

Categories: BMWHidden categories: All articles with unsourced statements | Articles with unsourced statements from May 2009 | Articles with unsourced statements from January 2010 | Articles with unsourced statements from June 2009 | Articles with unsourced statements from April 2009 | All articles with specifically-marked weasel-worded phrases | Articles with specifically-marked weasel-worded phrases from March 2009 | Articles with unsourced statements from January 2008 | Articles needing additional references from May 2009 | All articles needing additional references

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2012 Harley-Davidson XR1200X Review

Drawing inspiration from Harley-Davidson's legendary race history, the XR1200X™ model takes that performance and style off the track to give riders the finest, street-legal roadster around.

Wrapped around a high-torque, 1200 cc Evolution® engine, Michelin® Scorcher® tires, and fully-adjustable, high-performance Showa® suspension, the XR1200X™ is a meticulously honed machine with premium handling and a commanding riding position that leaves the rider with a feeling that can only be described as "aggressive fun." Bold, racing heritage, perfectly tuned for road performance, the XR1200X™ stands out like no other Harley® model to date.

With a tank and tail section designed to evoke the legendary Harley-Davidson® XR750™ – the king of the gritty American flat-track scene – the XR1200X™ puts its mechanical character on display. Wide flat-track bars and rearset footpegs position an assertive rider for active control. The XR1200X has a blacked-out powertrain and exhaust, revised tank graphics, and black wheels with an orange rim pinstripe.

2012 Sportster® Models: Personalization and Power

The six 2012 Harley-Davidson® Sportster® models range from the affordable Dark CustomTM roadster-inspired Iron 883TM motorcycle to the track-inspired performance of the XR1200XTM bike. Each Sportster® model offers the heartbeat of an authentic American V-Twin engine and pace-setting style and performance.

Back for its first full year of production is the Sportster® 1200 Custom bike, the motorcycle that introduced the Web-based H-D1TM Bike Builder factory customization process. Using Bike Builder, Customers can personalize their 1200 Custom motorcycle with the seat, handlebar, foot control, wheel, security, paint, and engine finish options of their choice, which are then installed right at the Factory. Even more Retailer-installed accessories can be added, and viewed, on the Bike Builder site. The Customer can then print out a description of their bike and bring it to a Harley-Davidson® Retailer where they can review the motorcycle with trained staff, select additional accessories to be installed by the Retailer to further customize the motorcycle, and then place an order. Customers can expect to be riding their new bike in as little as four weeks from the time an order is placed with an authorized Harley-Davidson® Retailer. Come in today to check the XR1200x in person at Harley-Davidson of Cartersville. All 2012 Sportster® models will have Michelin® ScorcherTM tires with a tread pattern designed, tested and styled specifically for the Sportster® motorcycle to provide an ideal grip, an even wear and a longer life. Fifteen Sportster® paint options include seven new colour choices for 2012. Side covers will be finished in either Gloss Black or Denim Black to match the finish on other bodywork. The Forty-EightTM model will have a new tank graphic.

]]>

2012 Harley-Davidson® Sportster® Models

" SuperLowTM
" Iron 883TM
" Sportster® 1200 Custom
" NightsterTM
" Forty-EightTM
" XR1200XTM

NEW Michelin® Scorcher® "11" front and rear tires
• Isolation-mounted XL Evolution® 1200 cc V-Twin engine with black powder-coated finish features downdraft Electronic Sequential Port Fuel Injection (ESPFI), high-performance camshafts, precision oil-cooled cylinder heads and a large-capacity oil cooler
• Upswept, high-volume 2-1-2 straight-shot exhaust system with satin black finish
• Cast aluminum swingarm
• Showa® fully adjustable rear shock absorbers and Showa big piston front forks
• Nissin® dual front brakes feature 292mm full-floating rotors and four-piston calipers
• Wide, low-rise handlebar

• Michelin® Scorcher® "11" tires designed specifically for the XR models
• Gloss Black, 3-spoke lightweight Cast Aluminum wheels with orange highlight, 18-inch front / 17-inch rear
• Compact instrument display with white-faced analog tachometer, digital speedometer, dual trip meter and clock
• 3.5-gallon fuel tank with aircraft-style aluminum alloy fuel filler
• Optional Harley-Davidson® Smart Security System with hands-free, proximity-based security fob

Solids ,799 USD

Dimensions
Length 87.6 in. (2225 mm)
Overall Width 36.6 in. (930 mm)
Overall Height 45.7 in. (1161 mm)
Seat Height:
• Laden2 29.2 in. (742 mm)
• Unladen 31.3 in. (795 mm)
Ground Clearance 5.9 in. (150 mm)
Rake (steering head) 28.9°
Fork Angle 27.5°
Trail 5.2 in. (132 mm)
Wheelbase 60.0 in. (1524 mm)
Tires (Michelin® Scorcher® "11" front and rear):
• Front – Scorcher® "11F" 120/70ZR18 59W
• Rear – Scorcher® "11" 180/55ZR17 73W
Fuel Capacity 3.5 gal. (13.2 L) (warning light at approximately 0.8 gal.)
Oil Capacity (w/filter) 2.8 qts. (2.6 L)
Transmission Capacity 1.0 qt. (.95 L)

Weight:
• As Shipped 551 lbs. (249.9 kg)
• In Running Order 573 lbs. (259.9 kg)
• Gross Vehicle Weight Rating 1000 lbs. (453.6 kg)
• Gross Axle Weight Rating
• Front 340 lbs. (154.2 kg)
• Rear 660 lbs. (299.4 kg)

Engine
Engine Air-cooled, Evolution®
Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder
Bore x Stroke 3.5 in. x 3.812 in. (88.9 mm x 96.8 mm)
Displacement 73.3 cu. in. (1200 cc)
Compression Ratio 10.0:1
Fuel System3 Electronic Sequential Port Fuel Injection (ESPFI)
Air Cleaner Paper cartridge type
Lubrication System Dry-sump

Drivetrain
Primary Drive Chain, 57/34 ratio
Final Drive Belt, 68/28 ratio
Clutch Multi-plate, wet
Transmission 5-speed
Gear Ratios (overall): U.S.
• 1st 10.782
• 2nd 7.702
• 3rd 5.728
• 4th 4.748
• 5th 4.071

Chassis
Frame Mild steel tubular frame; circular sections; cast junctions
Swingarm Aluminum Cast
Front Forks 43 mm Inverted Showa®
Rear Shocks Fully-adjustable
Wheels4: Black 3-Spoke Cast Aluminum
• Front 18 in. x 3.5 in. (457 mm x 89 mm)
• Rear 17 in. x 5.5 in. (432 mm x 140 mm)

Brakes:
• Caliper Type Dual 4-Piston, fixed front, single-piston floating rear
• Rotor Type (diameter x width): Patented, uniform expansion rotors
• Front (dual) 11.5 in. x .2 in. (292.1 mm x 5.1 mm)
• Rear 10.24 in. x .28 in. (260.1 mm x 7.1 mm)

Suspension Travel:
• Front Wheel 4.92 in. (125 mm)
• Rear Wheel 3.5 in. (89 mm)

Performance
Engine Torque5 (per J1349):
• North America 73.91 ft. lbs. @ 4000 RPM (100 Nm @ 4000 RPM)
Lean Angle (per J1168):
• Right 39°
• Left 40°

Fuel Economy6
(EPA urban/highway test) 44 mpg (5.3 L/100 km)

Electric
Battery (per Battery Council International Rating)
Sealed, maintenance-free, 12V, 12 amp/hour, 200 cca
Charging Single-phase, 30-amp system (357W @ 13.5V, 2000 rpm, 405W max power @ 13.5V)
Starting 1.2 kW electric with solenoid shift starter motor engagement

Lights (as per country regulation):
• Headlamp (quartz halogen) 55-watt low beam, 60-watt high beam
• Tail/Stop Lights 8W/28W per lamp
• Turn Signal Lights 28W self-canceling
• Indicator Lamps: High beam, neutral, low oil pressure, turn signals, engine diagnostics, low fuel warnings, low battery, security
system7 (optional)

Warranty
Warranty8 24 months (unlimited mileage)
Service Interval9 First 1000 miles (1600 km), every 5000 miles (8000 km) thereafter

1 Vehicles depicted may differ from vehicles manufactured and delivered. Specifications and prices listed may differ from specifications and prices of vehicles manufactured and delivered. All product descriptions (including depictions, specifications, dimensions, measurements, ratings and competitive comparisons) are based on available information at the time of publication. Although such descriptions are believed correct, errors and changes can occur and complete accuracy cannot be guaranteed. Harley-Davidson may make changes at any time to prices and specifications, and may change or discontinue models, without notice and without incurring any obligation. Attention: Vehicles in the configurations shown and many of the accessories described in this catalog may not be available for sale or use in some locations. Please check with your dealer for complete product details and the latest information. All models feature 6-speed transmission (V-Rod® models and Sportster® models are 5-speed) and carbon fiber belt final drive; multi-plate clutch with diaphragm spring in oil bath; and 2-year unlimited mileage warranty.
2 Measurement reflects 180 lb. (81.7 kg) operator weight.
3 Recommended 91 octane or higher fuel (R+M)/2.
4 Standard and optional wheels may vary by country and region.
5 Values shown are nominal. Performance may vary by country and region.
6 The combined fuel economy numbers were derived using a combination of estimated city and highway values. Fuel economy estimates are derived from US EPA exhaust emission certification data on a sample motorcycle from the corresponding family under ideal laboratory conditions. Your actual fuel economy will vary depending on your personal riding habits, road and driving conditions, vehicle condition and maintenance, tire pressure, vehicle configuration (parts and accessories), and vehicle loading (cargo, rider and passenger weight). Break-in mileage may vary.
7 North America security system includes immobilizer; outside North America the security system includes immobilizer and siren.
8 See motorcycle owner's manual for complete details.
9 Inspections of certain systems and components are required at 2500 mile (4000 km) intervals. See Owner's Manual for full details.

http://www.totalmotorcycle.com/motorcycles/2012models/2012-Harley-Davidson-XR1200X.htm

This article was repurposed from Total motorcycle for Harley-Davidson of Cartersville.

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Motorcycle Construction Chassis

The chassis of a motorcycle includes the frame and suspension, along with the front forks, of the vehicle.

Frame

Main article: Motorcycle frame

The frame is typically made from welded aluminium or steel (or alloy) struts, with the rear suspension being an integral component in the design. Carbon fibre and titanium are used in a few very expensive custom frames.

The frame includes the head tube that holds the front fork and allows it to pivot. Some motorcycles include the engine as a load-bearing (or stressed) member; this has been used all through motorcycle history but is now becoming more common.

Oil-in-Frame (OIF) chassis, where the lubricating oil is stored in the frame of the motorcycle, was used for Vincent motorcycles of the 1950s, and for a while during the 1970s on some NVT British motorcycles. It was widely unpopular and generally regarded as a bad idea at the time. Today it is a used on some "thumpers" (single-cylinder four-strokes) that usually have dry-sump lubrication requiring an external oil tank. It has since gained some cachet in the modern custom bike world too because of the space savings it can afford and the reference to an earlier era.

Buell motorcycles employ a similar design the oil is held in the swingarm, while the fuel is held in the frame.

Suspension

Main article: Suspension (motorcycle)

Plunger design suspensions, as on this BSA Bantam, were superseded by the swinging arm

Modern designs have the two wheels of a motorcycle connected to the chassis by a suspension arrangement, however 'chopper' style motorcycles often elect to forgo rear suspension, using a rigid frame.

The front suspension is usually built into the front fork and may consist of telescoping tubes called fork tubes which contain the suspension inside or some multibar linkage that incorporate the suspension externally.

The rear suspension supports the swingarm, which is attached via the swingarm pivot bolt to the frame and holds the axle of the rear wheel. The rear suspension can consist of several shock arrangements:

Dual shocks, which are placed at the far ends of the swingarm

Traditional monoshock, which is placed at the front of the swingarm, above the swingarm pivot bolt

Softail style suspension, where the shock absorbers are mounted horizontally in front of the swingarm, below the swingarm pivot bolt and operate in extension.

Front fork

Main article: Motorcycle fork

A motorcycle fork is the portion of a motorcycle that holds the front wheel and allows one to steer. For handling, the front fork is the most critical part of a motorcycle. The combination of rake and trail determines how stable the motorcycle is.

A fork generally consists of two fork tubes (sometimes also referred to as forks), which hold the front wheel axle, and a triple tree, which connects the fork tubes and the handlebars to the frame with a pivot that allows for steering.

Engine

Main article: Motorcycle engine

Almost all commercially available motorcycles are driven by conventional gasoline internal combustion engines, but some small scooter-type models use an electric motor, and a very small number of diesel models exist (e.g., the USMC M1030 M1 version of the Kawasaki KLR650 and the Dutch-produced Track T-800CDI).

Opposed twin engine on a Ural

The displacement is defined as the total volume of air/fuel mixture an engine can draw in during one complete engine cycle. In a piston engine, this is the volume that is swept as the pistons are moved from top dead centre to bottom dead centre. To the layperson this is the "size" of the engine. Motorcycle engines range from less than 50 cc (cubic centimetres), commonly found in many small scooters, to 5735 cc, a Chevrolet V8 engine, currently used by Boss Hoss in its cruiser style motorcycle.

Motorcycles have mostly, but not exclusively, been produced with one to four cylinders, and designers have tried virtually every imaginable layout. The most common engine configurations today are the single and twin, the V-twin, the opposed twin (or boxer), and the in-line triple and in-line four. A number of others designs have reached mass production, including the V-4, the flat 6-cylinder, the flat 4-cylinder, the in-line 6-cylinder, and the Wankel engine. Exotic engines, such as a radial piston engine, sometimes appear in custom built motorcycles, though two firms Megola and Redrup put radial engined motorcycles into production.

A Sok 1000 V-twin engine

Engines with more cylinders for the same displacement feel smoother to ride. Engines with fewer cylinders are cheaper, lighter, and easier to maintain. Liquid-cooled motorcycles have a radiator which is the primary way their heat is dispersed. Coolant or oil is constantly circulated between this radiator and the cylinder when the engine is running. Air-cooled motorcycles rely on air blowing past fins on the engine case to disperse heat. Liquid cooled motorcycles have the potential for greater power at a given displacement, tighter tolerances, and longer operating life, whereas air cooled motorcycles are potentially cheaper to purchase, less mechanically complex and lighter weight.

An air cooled engine contracts and expands with its wider temperature range, requiring looser tolerances, and giving shorter engine life. The temperature range of an air cooled two stroke is even more extreme and component life even shorter than in an air cooled four stroke.

As applied to motorcycles, two-stroke engines have some advantages over equivalent four-strokes: they are lighter, mechanically much simpler, and produce more power when operating at their best. But four-stroke engines are cleaner, more reliable, and deliver power over a much broader range of engine speeds. In developed countries, two-stroke road-bikes are rare, becausen addition to the reasons aboveodifying them to meet contemporary emissions standards is prohibitively expensive. Almost all modern two-strokes are single-cylinder, liquid-cooled, and under 600 cc. ]]>
In November 2006, the Dutch company E.V.A. Products BV Holland announced that its diesel-powered motorcycle, the Track T-800CDI, achieved production status. The Track T-800CDI uses a 800 cc three-cylinder Daimler Chrysler diesel engine. Other manufacturers, including Royal Enfield, had been producing diesel-powered bikes since at least the 1980s. Also, Intelligent Energy, a British alternative-fuel company, is developing a motorcycle powered by a detachable hydrogen-powered fuel cell, which it calls an Emissions Neutral Vehicle (ENV). According to reports, the vehicle can sustain speeds of 50 mph (80 km/h) while making virtually no noise, and can run for up to four hours without refueling.

Transmission

The transmission on this 1921 ABC motorcycle is located behind the engine and shifts by a long hand-operated lever on its right side.

A typical 5-gear, foot-shift transmission on an HD Sportster

Modern motorcycles (excepting scooters) all change gears (of which they will increasingly have five or six) by foot lever. The weight of the largest touring motorcycles (sometimes in excess of 360 kg or 800 lbs) is such that they cannot effectively be pushed backwards by a seated rider, and they are fitted with a reverse gear as standard. In some cases, including the Honda Gold Wing and BMW K1200LT, this is not really a reverse gear, but a feature of the starter motor which when reversed, performs the same function. In earlier times pre WWII, hand-operated gear changes were common, a lever was provided to the side the fuel tank. British and many other motorcycles after WWII used a lever on the right but today gear-changing is standardised on a foot-operated lever to the left.

All two-wheelers use a sequential gearbox. On a motorcycle either first or second gear can be selected from neutral, but higher gears may only be accessed in order - it is not possible to shift from second gear to fourth gear without shifting through third gear. A five-speed of this configuration would be known as "one down, four up" because of the placement of the gears with relation to neutral. Neutral is to be found "half a click" away from first and second gears, so shifting directly between the two gears can be made in a single movement.

Traditional scooters still have manual gear-changing by a twist grip on the left hand side of the handlebar, with a clutch on a lever also rotating. Increasingly they may be fitted with a continuously variable transmission or CVT instead, a kind of automatic transmission (as once used in the DAF car) that is stepless. Step-through motorcycles often have a three-speed foot change, but the clutch is automatic.

The clutch is typically an arrangement of plates stacked in alternating fashion, one geared on the inside to the engine and the next geared on the outside to the transmission input shaft. Whether wet (rotating in engine oil) or dry, the plates are squeezed together by a spring, causing friction build up between the plates until they rotate as a single unit, driving the transmission directly. A lever on the handlebar exploits mechanical advantage through a cable or hydraulic arrangement to release the clutch spring, allowing the engine to freewheel with respect to the transmission.

Final drive

A shaft final drive is housed within a rear swingarm of a BMW R1200GS

Power transfer from the gearbox to the rear wheel is accomplished by different methods.

Chain drive uses sprockets and a roller chain, which requires both lubrication and adjustment for elongation (stretch) that occurs through wear. The lubricant is subject to being thrown off the fast-moving chain and results in grime and dirt build up. Chains do deteriorate, and excessive wear on the front and rear sprockets can be dangerous. In a chain drive the power is transmitted into the real wheel via a cush drive. Virtually all high performance racing motorcycles use chain drive.

A belt drive is still subject to stretch but operates very quietly, cleanly, and efficiently. However, belt drives are limited in the amount of power they can transmit. A toothed belt is frequently used.

A shaft drive is usually completely enclosed; the visual cue is a tube extending from the rear of the transmission to a bell housing on the rear wheel. Inside the bell housing a bevelled gear on the shaft mates with another on the wheel mount. This arrangement is superior in terms of noise and cleanliness and is virtually maintenance free, with the exception of occasional fluid changes. However, the additional gearsets are a source of power loss and added weight. A shaft-equipped motorcycle may also be susceptible to shaft effect.

Wheels

The wheel rims are usually steel or aluminium (generally with steel spokes and an aluminium hub) or mag-type cast or machined aluminium. At one time, motorcycles used spoke wheels built up from separate components, but, except for dirtbikes, one-piece wheels are more common now. Performance racing motorcycles often use carbon-fibre wheels, but the expense of these wheels is prohibitively high for general usage.

A wire wheel and pneumatic motorcycle tyre on a Ural

Wire wheels have a central hub connected to the rim of the wheel via spokes made of wire. These spokes are generally quite solid and will not easily bend as would typical wire cord. Nevertheless, they mechanically function as wires under tension, holding the rim true and providing strength to the wheel. Cast magnesium disks, produced by one-step hot forging from magnesium alloys ZK60 and MA-14, are also used for many motorcycle wheels.

Tires

Main article: Motorcycle tyres

Motorcycles mainly use pneumatic tires. However, in some cases where punctures are common (some enduros), the tyres are filled with a "mousse" which is unpunctureable. Both types of tyre come in many configurations. The most important characteristic of any tyre is the contact patch, the small area that is in contact with the road surface while riding. There are tyres designed for dirtbikes, touring, sport and cruiser bikes.

Dirtbike tyres have knobbly, deep treads for maximum grip on loose dirt, mud, or gravel; such tyres tend to be less stable on paved surfaces. Touring tyres are usually made of harder rubber for greater durability. They may last longer, but they tend to provide less outright grip than sports tyres at optimal operating temperatures. The payoff is that touring tyres typically offer more grip at lower temperatures, meaning they can be more suitable for riding in cold or winter conditions whereas a sport tyre may never reach the optimal operating temperature.

Sport/performance tyres provide amazing grip but may last 1,000 miles (1,600 km) or less. Cruiser and "sport touring" tyres try to find the best compromise between grip and durability. There is also a type of tyre developed specifically for racing. These tyres offer the highest of levels of grip for cornering. Because of the high temperatures at which these tyres typically operate, use on the street is unsafe because the tyres will typically not reach optimum temperature before a rider arrives, thus providing almost no grip en route. In racing situations, racing tyres would normally be brought up to temperature in advance by the use of tyre warmers.

Brakes

Front disk brakes with an ABS sensor ring on a BMW R1200RT

There are generally two independent brakes on a motorcycle, one set on the front wheel and one on the rear. However, some models have "linked brakes" whereby both can be applied at the same time using only one control.

Front brakes are generally much more effective than rear brakes: roughly two thirds of stopping power comes from the front brakeainly as a result of weight transfer being much more pronounced compared to longer or lower vehicles, because of the motorcycle's short wheelbase relative to its center of mass height. This can result in brake dive.

Brakes can either be drum or disc based, with disc brakes being more common on large, modern or more expensive motorcycles for their far superior stopping power, particularly in wet conditions. There are many brake-performance-enhancing aftermarket parts available for most motorcycles, including brake pads of varying compounds and steel-braided brake lines.

In 1981, BMW introduced an antilock braking system (ABS) on a motorcycle. Other manufacturers have since also adopted this technology, although Harley Davidson only offers it on some police motorcycles and not on civilian motorcycles. ABS is normally found on motorcycles of 500 cc or greater engine capacity, although it is available on motor scooters down to 49 cc.

Instruments

Most road motorcycles have an instrument panel, usually consisting of speedometer, odometer and tachometer. Fuel gauges are becoming more common, but traditionally a reserve tank arrangement is used with a petcock (petrol tap) on the side of the motorcycle allowing the rider to switch to a reserve fuel supply when the main fuel supply is exhausted. There is not actually a separate reserve tank: The intake for the petcock has two pipes, one extending higher into the fuel tank than the other. When fuel no longer covers the longer pipe the engine will lose power/splutter and the rider switches the petcock to the "reserve" setting, which accesses the shorter pipe. Riders whose bikes lack a fuel gauge (most machines prior to the past few years) usually learn how far they can go with a full tank of fuel, and then use a trip meter if available to judge when they must refill the tank.

See also

Bicycle and motorcycle dynamics

Motorcycle accessories

Motorcycle saddle

Shaft effect

References

^ "Chassis". motorcycle-glossary.com. http://motorcycle-glossary.com/chassis/36. Retrieved 2007-07-03.

^ Martin Peacock (3 April 2006). "Oil In Frame Triumphs - A Potted History". The Vintage Motorcycle Club, South Durham Section. http://www.vmccsouthdurham.co.uk/content/view/22/51/. Retrieved 2007-05-16.

^ "The first commercially-available diesel motorcycle". Gizmag. November 20, 2006. http://www.gizmag.com/go/6493/. Retrieved 2007-06-28.

^ "Diesel motorbikes". Journey to Forever. http://journeytoforever.org/biodiesel_bikes.html. Retrieved 2007-06-28.

^ Earth Talk (July 1, 2007). "How Much Pollution do Motorcycles Generate?". Environment, Health News Digest. http://www.healthnewsdigest.com/news/Environment_380/How_Much_Pollution_do_Motorcycles_Generate.shtml. Retrieved 2007-07-02.

External links

How Motorcycles Work by Bill Harris

Motorcycle Glossary - definitions of motorcycle terms

Categories: Motorcycle technology | Motorcycle safety

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150cc Super Bike: Yoshimura TRC Tri-Oval Polished Stainless Steel Complete Exhaust System – Size : Kymco 150cc Super 8 2009

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New bikes of 2010

Today Automobiles markets are emerging in India in very fast rate. Most of the new generation is very exciting about the new bikes in Indian markets. Bikes are very popular among them. Hence there is a big market for Two Wheelers in India and to seize this big automobile field lots of companies are launching their new range of bikes in upcoming years also.

Now its official That one of the giant in the heavy motor bikes market Royal Enfield owned by Eicher-Motors will soon launched its international models like new Bullet Classic C5 by 2010. Others models which are likely to hits the Indian roads by 2010 are Bullet G5 Military, Bullet G5 Classic, and Bullet 500 Deluxe.

Company is now working on the changes to meet the Indian market conditions. In India youth are demanding for the International models of popular bikes in India. Royal Enfield will exciting on the success of its Thunderbird motorcycle by launching new models based on the same engine platform. These new models of bikes are expected to hits the Indian market by begin of the year 2010.

The King of Indian Two-wheeler market Bajaj Auto is set to launch new bikes models in Indian roads in 2010. The bikes which are expected to launch in the year of 2010 in India include - new look of Bajaj Pulsar, Bajaj Ktm and a light segment scooter. Bajaj Auto will launch these models from the starting of the year 2010. Bajaj Auto Ltd is planning to launch a gearless scooter engine capacity in the range of 100-150cc by next year. This is a light weight Scooter.

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New Bikes launched in india

The new Automobile power house in India, Honda Bikes is all set to launch few models of super bikes in India by 2010. The Honda Bikes India has set its eyes on the super bikes market in the country and is assessing the market potential as well. Honda VFR1000, the bike will be powered by 5-cylinder unit with 3 cylinder facing the front and 2 cylinders at the rear end, will hits the Indian roads in the year 2010. In addition to this, Honda 100cc bike models will also be launched in the early half of 2010.

The new emerging giant Honda will enter the high-volume entry level motorcycle segment with the launch of a 100cc bike by 2010 , which is expected to be priced at around Rs 40,000 to Rs 45,000. By launching this segment bike company aims to have a bigger presence in the Indian motorcycle market with new products.

New Sports Bike of 2009

One of the leading automobile company in the India Yamaha is all set to launch its new premius bikes in the year of 2010. The bikes which are expected to launch and shine the india road in 2010 in India is Yamaha FZ Fazer. The Yamaha FZ1 Fazer comes with a 998cc inline four engines. Yamaha FZ1 Fazer is in street fighter styling and is expected to give direct competition to Honda new launching bike VFR1000.

New bikes of 2010

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Question by iceytina: What should I get: motorcycle, moped/scooter, super pocket bike, or...? I'm looking for a two-wheel vehicle that can get me around town at a decent speed. I have an electric moped that maxes at 25mph but it's slow up hills. So I'm looking for something a little faster, and though I don't know for sure, I feel a gas-powered one is the way to go. I'm 117lb 5'4" Average round trip: 15 miles Speed looking for: 45-60mph My knowledge of motorcycles in general is quite limited. I've spent several hours researching pocket bikes, mopeds, motorcycles and such and my only conclusion is that ... 49cc = ~30mph 110cc = ~50mph 150cc = ~60mph I would like to be able to ride in the lanes and keep up with town traffic. I'm fine if I need to license and insure the vehicle. Being a freshly graduated student with some loans to pay off, I can't afford anything (over $ 2,000) expensive... so, what should I choose for an around-town, economical gas or electric two-wheel vehicle? My research has opened me up to dozens of brands and varying prices and I'm rather uncertain how to choose. Pro Caliber is the closest motor sports shop in town... Best answer:

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Yamaha Motors Outboard: Deluxe Yamaha Outboard F250 Motor Cover Four-Stroke

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Which Outboard Engine - 4 Stroke or 2 Stroke?

Outboard engines fall into two main categories; 2 stroke and 4 stroke outboards. Both types have their advantages and disadvantages and the type you pick will depend on the intended use. This guide will help you choose which outboard engine is best for your type of boat.

2 Stroke Outboards

2 stroke engines are lighter and faster so when speed and acceleration are required, this would be the engine of choice. 2 strokes are also generally cheaper and keep their value better when it comes to resale. As 2 stroke engines have been around for almost 80 years, parts are readily available, making repairs easy. Also, the design on these engines is less complex than a 4 stroke, meaning problems are less likely to arise.

There are some disadvantages to the 2 stroke engine. 2 stroke engines are more pollutive than 4 stroke engines so they are not so kind on the environment. Their engines are lubricated by the oil that is mixed into the gasoline, meaning the exhaust is smoky and contains unburned oil, which in turn pollutes the water.

With new regulations, outboard manufacturers are looking to find new ways of producing the same power with less pollution.

Some 2 stroke outboard engine manufacturers include Mercury, Nissan, Yamaha and Evinrude.

4 Stroke Outboards

4 stroke engines are quieter, smoother and more economical. Heavier with slower acceleration, they are normally chosen for lakes and rivers. With less pollution and smoke they are also kinder to the environment. If you're after a quieter, smoother ride, then the 4 stroke outboard is the better choice.

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4 stroke outboards are more complicated with more parts so they often require repairs more often. When a repair is required it is usually more expensive and parts are limited.

4 stroke outboards are generally heavier than 2 stroke outboards, so if you own a smaller boat it may not be able to hold the weight of a 4 stroke engine.

Because 4 stroke engines are newer, they are continually being improved to make purchase and repair easier.

Some 4 stroke outboard engine manufacturers include Yamaha, Tohatsu, Suzuki, Nissan, Mercury, Honda and Johnson.

Environmentally Friendly Outboards

If you're looking for a new outboard, it's worthwhile considering one of the newer, environmentally friendly models. As well as producing lower emissions, there are a number of other advantages such as better fuel economy, quieter running and reduced operating costs.

The Mechanical Differences Between 2 and 4 Stroke Outboards

The terms "2 stroke" and "4 stroke" refer to the number of times the piston moves during one firing cycle of the engine. In the 4 stroke engine, the four movements, or strokes, are:

Intake stroke: With the intake valve open, the piston moves down allowing a mixture of air and fuel to enter the combustion chamber.

Compression stroke: The piston moves up the cylinder with the valves closed, so that the air-fuel mixture is compressed.

Combustion stroke: With the valves still closed, the fuel is ignited by the spark plug. The explosion pushes the piston down again.

Exhaust stroke: The exhaust valve opens and the piston moves up to push the exhaust gasses out of the chamber so the process can be repeated.

In a 2 stroke engine, there are only two movements of the piston for each combustion; one up and one down:

Combustion stroke: Combustion of fuel drives the piston downwards. As the piston moves down, it exposes an exhaust vent and fuel inlet in the wall of the cylinder allowing exhaust gasses out, and new air and fuel to be sucked in.

Compression stroke: As the piston moves back up, it blocks off the exhaust vent and fuel inlet and thus compresses the air/fuel mixture. The spark plug ignites the air and fuel causing the piston to move down again.

The fuel inlet and the exhaust vent in the wall of the cylinder eliminate the need for valves and the mechanism for opening and closing them which is why 2 stroke engines are much simpler in design.

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Related Yamaha Motors Outboard Products

Question by clammanco: Mercury outboard motor has Yamaha motor, but Mercury housing. Do they have any unique problems? This particular outboard is a 15 hp Mercury long shaft. Where does the Yamaha end and the Merc begin? Best answer:

Answer by teachr
For a while Yamaha built motors for mercury, up to 15 hp. They are pretty much all Yamaha. I've had one of those since '81. I am a teacher and spend the summers (all) at the lake. I have never had more than two pulls to start the engine and have ZERO repairs. When I bought a larger bass boat in '99 I bought a Yamaha for this reason. I'd say it is better than a mercury, especially if it is older since there were issues with many older Mercs. I mine often as does my son.

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1968 Triumph Bonneville: ATP AT-200 Cooler Flush Kit Reviews

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50cc Dirt Bikes: Lifan 125cc Motor Dirt Bike Engine Complete Set

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A quad bike buyers guide

On reading the words '', you may well wonder what a actually is. A is essentially a motorbike with four wheels rather than two. The or ATV came to prominence in the 1970's and has been in great demand ever since.

Why quad bikes?

typically takes place off road on dirt tracks. Recently however, the bike has appeared on the market, opening up many more possibilities for enthusiasts. The is simply a that conforms to all safety regulations that allow it to be driven on public roads. bikes are great fun and cheap to run, with a tank of petrol costing a fraction of what a full tank in a car would cost. They can reach speeds that match those of a motor bike, with fast acceleration and accurate handling. Their small size makes travel through tight spaces easy and convenient. Some quads can carry two passengers and insurance costs are usually low compared with cars, depending on the driver's age, making them a perfect short distance travel option.

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Buying your quad bike

In order to drive a bike on UK roads, you must have a full UK car license or motorcycle license, but require no prior experience. It is important that you choose your quad bike carefully, as it can cost as much as £500 to convert a non into a , as well as being a time consuming endeavour. However, be sure not to simply go for the cheapest available option, as a cheap quad isn't necessarily a safe quad, especially when importing from overseas.

come in 4WD or 2WD options, with some having switchable systems to save on tyre wear. There's also transmission to consider, with manual and automatic available in 5 speed or 2 and 3 speed form. You may also want to consider the type of brakes on your , with drum and disc brakes available.

When considering your quad bike, it is important to consider many options, as you will need to be sure of your purchase if you are going to be using it each day. Travelling around town or off road, are great fun at any time of year. The great thing about quad bikes is that they can be used in all weathers, crossing rugged terrain in snow, rain and muddy conditions. The additional benefit of having four wheels, therefore being more secure and stable than a motorcycle, also cannot be overlooked.

Safety

While having fun is important, it is also extremely important to ensure that you ensure safety when using your . Protective gear such as a helmet, knee pads, elbow pads, goggles and sturdy footwear is important to remember and should be worn at all times when travelling on a . It is also important to be aware that your is on a lower level than the cars around you, with less protection than cars.

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"http://www.petrolscooter.co.uk" Quad BikePetrolScooter offers a large inventory of Kazuma off-road quad bikes ranging from the Meerkat kids quad bikes to robust utility machines and sports bikes. Check out the latest quad bike offers, models & specifications at www.petrolscooter.co.uk

Transmission Main & Counter Shaft w/Gears 50cc-125cc Dirt Bike ATV Parts @87043

US $39.66
End Date: Saturday Mar-03-2012 15:06:44 PST
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3.00-10 Tire W/ Inner Tube Honda XR50 CRF50 50cc 70cc 110cc 125cc Dirt Bike

US $29.50
End Date: Saturday Mar-03-2012 13:31:26 PST
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Mini Pocket Bike / ATV Carb / CARBURETOR 47cc/49cc/50cc
Replacement part for chineese / CAG pocket bike or ATV Replacement for MTA-1 (Cagllari), MTA-2 (MX-3), MTA-3 (GP-RSR), 4 Wheeler ...

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Lifan 125cc Motor Dirt Bike Engine Complete Set

Displacement: 123.7cc
Ignition: CDI, 12 volt, permanent magnetic stator
Bore x Stroke: 54mm x 54mm, this is a 'square' engine for best balance between power and torque
Gears: 4-speed, manual clutch, All new 4 up System.
Buyer will receive Lifan 125CC Motor, 22MM Carbruetor, Intake manifold, intake gaskets, Shifter, Kick Starter, Wiring Harness, CDI, Spark Plug and Ignition Coil.

Brand New LIFAN 1P54FMI 125cc high performance race engine. Upgrade your stock 50cc to this 125cc monster, you can feel the power difference immediatly. Ride faster, jump higher. LIFAN offers with this engine of the newest generation all tuning- and racing-fans best quality and highest performance state-of-the-art! The engine comes with a high-qualtiy cylinder head made from aluminium, a reinforced kickstarter axle and extra large valves and canals! Furthermore it comes with a high-quality 4-disc clutch! With 7.4 kW by 7500 rpm the engine reaches more than the triple performance of a standard CRF50 engine.

List Price: $ 220.00 Price: $ 220.00

Question by John D: Are 50cc dirt bikes fun? When I get the money, I am considering buying a 50cc dirtbike so I can just ride it to my friends houses and stuff, just for fun. I already have an 80cc Honda, so I already have a bike that fits me. I just think it will be fun to have a small bike that can get me places. Should I get it or spend my money on something else? Help meeeeeee Best answer:

Answer by 17yr old kid named jordan
49cc dirtbikes are better