Yamaha WR 250R 2009 vs. Yamaha WR450F 2009

Technical Specifications Yamaha WR 250R 2009 compared to Yamaha WR450F 2009

Yamaha WR 250R 2009

Yamaha WR450F 2009

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Differences

Yamaha WR 250R 2009

Yamaha WR450F 2009

Engine and Drive Train

Bore	Bore	77 mm	Bore	95 mm
Stroke	Stroke	53.6 mm	Stroke	63.4 mm
Compression Ratio	Compression Ratio	11.8	Compression Ratio	12.3
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	6	Number of gears	5
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	5
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	250 ccm	Displacement	449 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork

Chassis

Frame type	Frame type	Double cradle	Frame type	Twin Tube

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	18 inch	Rear tyre diameter	18 inch
Width	Width	810 mm	Width	825 mm
Seat Height	Seat Height	930 mm	Seat Height	990 mm
Dry Weight	Dry Weight	134 kg	Dry Weight	123.3 kg
Fuel Tank Capacity	Fuel Tank Capacity	7.6 l	Fuel Tank Capacity	8 l