Comparisons / Comparison of Beta RR 450 4-Stroke and Yamaha WR 450 F 2007

Comparison of Beta RR 450 4-Stroke and Yamaha WR 450 F 2007 [S]ave

Attribute
Beta RR 450 4-Stroke ×
Yamaha WR 450 F 2007 ×
General
Production from (year)20072007
MakeBetaYamaha
ModelBeta RR 450 4-StrokeYamaha WR 450 F
CategoryEnduro / offroadEnduro / offroad
Engine and transmission
Engine typeSingle cylinder, four-strokeSingle cylinder, four-stroke
Fuel systemCarburettor. Keihin FCR-MX 39-
Displacement (cm³)448449
Cooling systemLiquidLiquid
Transmission type,final driveChainChain
Bore (mm)8995
Stroke (mm)7263.4
Gearbox6-speed5-speed
Fuel control-Double Overhead Cams/Twin Cam (DOHC)
IgnitionDC-CDI without trembler with variable ignition ming, Kokusan typeCDI
Clutchwet multi-disc clutch-
Lubrication system2 oil pumps-
Compression11.0:112.3:1
Chassis
Front suspensionHydraulic USD fork with ø45 mm shaftTelescopic Fork, Coil spring/oil damper, 11.8´
Rear suspensionMonoshock with progressive compound leverSwingarm (link, suspension), Coil spring/gas-oil damper, 12.0´
Front brakesSingle disc. Floating disc ø255 mm and double-piston floating caliperSingle disc
Rear brakesSingle disc. Disc ø240 mm and single-piston floating caliperSingle disc
Diameter (mm)240245
Frame typeMolybdenum steel with double cradle split above the exhaust port-
Front tyre90/90-2180/80-M21
Rear tyre140/80-18110/90-M18
Front wheel travel (mm)45-
Other
StarterElectric-
Dimensions
Wheelbase (mm)1,5001,486
Dry weight (kg)117112
Overall height (mm)1,2551,295
Overall length (mm)2,2702,174
Overall width (mm)813826
Seat height (mm)940978
Ground clearance (mm)320366
Performance
Reserve fuel capacity (l)1-
Fuel capacity (l)8.57.94



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