Comparisons / Comparison of Kawasaki KX450X and Yamaha WR 450 F

Comparison of Kawasaki KX450X and Yamaha WR 450 F [S]ave

Attribute
Kawasaki KX450X ×
Yamaha WR 450 F ×
General
Production from (year)20212004
MakeKawasakiYamaha
ModelKawasaki KX450XYamaha WR 450 F
CategoryCross / motocrossEnduro / offroad
Engine and transmission
Engine typeSingle cylinder, four-strokeSingle cylinder, four-stroke
Valves per cylinder-5
Fuel systemInjection. DFI® with 44mm Keihin throttle body-
Displacement (cm³)449449
Cooling systemLiquidLiquid
Transmission type,final driveChain-
Bore (mm)9695
Stroke (mm)6263.4
Gearbox5-speed-
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)Double Overhead Cams/Twin Cam (DOHC)
IgnitionDigital CDI with 3 Coupler Options-
ClutchWet multi-disc, manual-
Compression12.5:112.5:1
Chassis
Front suspension49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound dampingTelescopic fork
Rear suspensionUni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression dampingSwingarm (linked type suspension)
Front brakesSingle disc. Semi-floating petal discsSingle disc
Rear brakesSingle disc. Single-piston caliper.Single disc
Diameter (mm)250245
Frame typeAluminum perimeter-
Front tyre80/100-2190/90-21
Rear tyre120/80-18130/90-18
Front wheel travel (mm)305300
Rear wheel travel (mm)307315
Trail (mm)119-
Rake (fork angle) (degree)27.6-
Other
StarterElectric-
Color options
  • lime green
  • racing blue
Dimensions
Wheelbase (mm)1,4851,485
Dry weight (kg)107105
Overall height (mm)1,2651,303
Overall length (mm)2,1852,171
Overall width (mm)820827
Seat height (mm)950998
Ground clearance (mm)335371
Performance
Fuel capacity (l)6.2-



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