Built around Kawasaki's atv motorcycle platform, the 2009 Kawasaki KFX 50 features a 49.5 cc (3 cu in) air-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 39.0 x 41.4 mm (1.5 x 1.6 inches) with a 10.8:1 compression ratio.
On the scales, the KFX 50 measures 394.7 kg (870 lbs) dry. Rider ergonomics and chassis geometry center around a 965 mm (38 in) wheelbase engineered for quick, flickable steering geometry. The 5.67-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Kawasaki archive, this model family spans 5 indexed model years from 2009 to 2014, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement49.5 ccm (3.02 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression10.8:1
Bore x Stroke39.0 x 41.4 mm (1.5 x 1.6 inches)
Fuel SystemCarburettor. Keihin PTE 16
IgnitionSolid state CDI
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
Chassis
Frame TypeDouble cradle, steel
Front SuspensionDual A-arms, coil-over shocks / 8.5 in
Rear SuspensionSwingarm with piggy-back reservoir shock, dual-rate spring / 10.0 in
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.