Yamaha YZ250F 2009 vs. Yamaha YZ450F 2013

Technical Specifications Yamaha YZ250F 2009 compared to Yamaha YZ450F 2013

Yamaha YZ250F 2009

Yamaha YZ450F 2013

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Differences

Yamaha YZ250F 2009

Yamaha YZ450F 2013

Engine and Drive Train

Bore	Bore	77 mm	Bore	97 mm
Stroke	Stroke	53.6 mm	Stroke	60.8 mm
Compression Ratio	Compression Ratio	13.5	Compression Ratio	12.5
Starter	Starter	Kick	Starter	Kick
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	CDI	Ignition	CDI
Transmission	Transmission	Chain	Transmission	Chain
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	449.7 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
Frame type	Frame type	Twin Tube	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	19 inch	Rear tyre diameter	19 inch
Length	Length	2,172 mm	Length	2,191 mm
Width	Width	825 mm	Width	825 mm
Height	Height	1,300 mm	Height	1,311 mm
Wheelbase	Wheelbase	1,476 mm	Wheelbase	1,487 mm
Seat Height	Seat Height	997 mm	Seat Height	999 mm
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	6.2 l