Yamaha WR250F 2009 vs. Yamaha WR450F 2023

Technical Specifications Yamaha WR250F 2009 compared to Yamaha WR450F 2023

Yamaha WR250F 2009

Yamaha WR450F 2023

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Differences

Yamaha WR250F 2009

Yamaha WR450F 2023

Engine and Drive Train

Bore	Bore	77 mm	Bore	97 mm
Stroke	Stroke	53.6 mm	Stroke	60.8 mm
Compression Ratio	Compression Ratio	12.5	Compression Ratio	13
Starter	Starter	Kick	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	CDI	Ignition	Transistor
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	5	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	250 ccm	Displacement	450 ccm

Suspension Front

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

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
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	18 inch	Rear tyre diameter	18 inch
Length	Length	2,190 mm	Length	2,175 mm
Width	Width	825 mm	Width	825 mm
Height	Height	1,305 mm	Height	1,270 mm
Wheelbase	Wheelbase	1,485 mm	Wheelbase	1,480 mm
Seat Height	Seat Height	990 mm	Seat Height	955 mm
Fuel Tank Capacity	Fuel Tank Capacity	8 l	Fuel Tank Capacity	7.9 l