Yamaha YZ450F 2009 vs. Yamaha WR 125 R 2009

Technical Specifications Yamaha YZ450F 2009 compared to Yamaha WR 125 R 2009

Yamaha YZ450F 2009

Yamaha WR 125 R 2009

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Differences

Yamaha YZ450F 2009

Yamaha WR 125 R 2009

Engine and Drive Train

Bore	Bore	95 mm	Bore	52 mm
Stroke	Stroke	63.4 mm	Stroke	58.6 mm
Compression Ratio	Compression Ratio	12.3	Compression Ratio	11.2
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	5	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	5	Valves per cylinder	4
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	449 ccm	Displacement	124.7 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork

Chassis

Frame	Frame	Aluminium	Frame	Steel
Frame type	Frame type	Twin Tube	Frame type	Double cradle

Brakes Rear

Type	Type	Disc	Type	Disc

Dimensions and Weights

Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre diameter	Rear tyre diameter	19 inch	Rear tyre diameter	18 inch
Length	Length	2,196 mm	Length	2,180 mm
Width	Width	825 mm	Width	835 mm
Height	Height	1,305 mm	Height	1,220 mm
Wheelbase	Wheelbase	1,496 mm	Wheelbase	1,430 mm
Seat Height	Seat Height	1,000 mm	Seat Height	930 mm
Dry Weight	Dry Weight	108.3 kg	Dry Weight	133 kg
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	8.5 l