Yamaha WR450F 2022 vs. Yamaha YZ250F 2009

Technical Specifications Yamaha WR450F 2022 compared to Yamaha YZ250F 2009

Yamaha WR450F 2022

Yamaha YZ250F 2009

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Differences

Yamaha WR450F 2022

Yamaha YZ250F 2009

Engine and Drive Train

Bore	Bore	97 mm	Bore	77 mm
Stroke	Stroke	60.8 mm	Stroke	53.6 mm
Compression Ratio	Compression Ratio	13	Compression Ratio	13.5
Starter	Starter	Electric	Starter	Kick
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	Transistor	Ignition	CDI
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	5	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	450 ccm	Displacement	250 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Telescopic fork

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
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	19 inch
Length	Length	2,175 mm	Length	2,172 mm
Width	Width	825 mm	Width	825 mm
Height	Height	1,270 mm	Height	1,300 mm
Wheelbase	Wheelbase	1,480 mm	Wheelbase	1,476 mm
Seat Height	Seat Height	955 mm	Seat Height	997 mm
Fuel Tank Capacity	Fuel Tank Capacity	7.9 l	Fuel Tank Capacity	7 l