Comparisons / Comparison of Yamaha WR450F 2011 and Yamaha YZ450F 2009

Comparison of Yamaha WR450F 2011 and Yamaha YZ450F 2009 [S]ave

Attribute
Yamaha YZ450F 2009 ×
Yamaha WR450F 2011 ×
General
Production from (year)20092011
MakeYamahaYamaha
ModelYamaha YZ450FYamaha WR450F
CategoryCross / motocrossEnduro / offroad
Engine and transmission
Engine typeSingle cylinder, four-strokeSingle cylinder, four-stroke
Valves per cylinder5-
Fuel systemCarburettor. Keihin FCR MX39Carburettor. Keihin FCR 39
Engine details-Five titanium valves
Displacement (cm³)449449
Cooling systemLiquidLiquid
Transmission type,final driveChainChain
Bore (mm)9595
Stroke (mm)63.463.4
Gearbox5-speed5-speed
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)Double Overhead Cams/Twin Cam (DOHC)
IgnitionCDICDI
Compression12.3:112.3:1
Chassis
Front suspensionSpeed-Sensitive System inverted forkInverted fork
Rear suspensionFully adjustable single shockSingle shock
Front brakesSingle discSingle disc. Wave
Rear brakesSingle discSingle disc. Wave
Diameter (mm)245245
Front tyre80/80-2180/100-M21
Rear tyre120/80-19110/100-M18
Front wheel travel (mm)300300
Rear wheel travel (mm)312305
Other
Starter-Electric
Color options
  • team yamaha blue/white
  • white/red
  • blue/white
Dimensions
Wheelbase (mm)1,4941,486
Kerb weight (kg)108121.1
Overall height (mm)1,3061,300
Overall length (mm)2,1952,174
Overall width (mm)826826
Seat height (mm)988980
Ground clearance (mm)373366
Performance
Fuel capacity (l)6.817.95



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