Comparisons / Comparison of Kawasaki KX450X and Yamaha WR450F 2008

Comparison of Kawasaki KX450X and Yamaha WR450F 2008 [S]ave

Attribute
Kawasaki KX450X ×
Yamaha WR450F 2008 ×
General
Production from (year)20212008
MakeKawasakiYamaha
ModelKawasaki KX450XYamaha WR450F
CategoryCross / motocrossEnduro / offroad
Engine and transmission
Engine typeSingle cylinder, four-strokeSingle cylinder, four-stroke
Fuel systemInjection. DFI® with 44mm Keihin throttle body-
Displacement (cm³)449449
Cooling systemLiquidLiquid
Transmission type,final driveChainChain
Bore (mm)9695
Stroke (mm)6263.4
Gearbox5-speed5-speed
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)Double Overhead Cams/Twin Cam (DOHC)
IgnitionDigital CDI with 3 Coupler OptionsCDI
ClutchWet multi-disc, manual-
Compression12.5:112.3:1
Chassis
Front suspension49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound dampingInverted fork
Rear suspensionUni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression dampingSingle shock
Front brakesSingle disc. Semi-floating petal discsSingle disc
Rear brakesSingle disc. Single-piston caliper.Single disc
Diameter (mm)250245
Frame typeAluminum perimeter-
Front tyre80/100-2180/80-M21
Rear tyre120/80-18110/80-M18
Front wheel travel (mm)305300
Rear wheel travel (mm)307305
Trail (mm)119-
Rake (fork angle) (degree)27.626
Other
StarterElectric-
Color options
  • lime green
  • blue/white
Dimensions
Wheelbase (mm)1,4851,486
Dry weight (kg)107112
Overall height (mm)1,2651,295
Overall length (mm)2,1852,174
Overall width (mm)820826
Seat height (mm)950980
Ground clearance (mm)335366
Performance
Fuel capacity (l)6.27.94



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