Kawasaki KX450F 2018 vs. Yamaha YZ250F 2010

Technical Specifications Kawasaki KX450F 2018 compared to Yamaha YZ250F 2010

Kawasaki KX450F 2018

Yamaha YZ250F 2010

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Differences

Kawasaki KX450F 2018

Yamaha YZ250F 2010

Engine and Drive Train

Bore	Bore	96 mm	Bore	77 mm
Stroke	Stroke	62.1 mm	Stroke	53.6 mm
Compression Ratio	Compression Ratio	12.8	Compression Ratio	13.5
Starter	Starter	Kick	Starter	Kick
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	CDI, Digital	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	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	449 ccm	Displacement	250 ccm

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
Frame type	Frame type	Perimeter	Frame type	Twin Tube

Brakes Front

Technology	Technology	Petal	Technology	Wave

Brakes Rear

Type	Type	Disc	Type	Disc

Dimensions and Weights

Front tyre width	Front tyre width	80 mm	Front tyre width	80 mm
Front tyre height	Front tyre height	100 %	Front tyre height	100 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	120 mm	Rear tyre width	100 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	90 %
Rear tyre diameter	Rear tyre diameter	19 inch	Rear tyre diameter	19 inch
Length	Length	2,195 mm	Length	2,168 mm
Width	Width	820 mm	Width	825 mm
Height	Height	1,290 mm	Height	1,304 mm
Wheelbase	Wheelbase	1,495 mm	Wheelbase	1,473 mm
Seat Height	Seat Height	960 mm	Seat Height	991 mm
Kerb Weight	Kerb Weight	108.7 kg	Kerb Weight	102.8 kg
Fuel Tank Capacity	Fuel Tank Capacity	6.3 l	Fuel Tank Capacity	6.4 l