Yamaha YZ450F 2009 vs. KTM 450 SX-F 2012

Technical Specifications Yamaha YZ450F 2009 compared to KTM 450 SX-F 2012

Yamaha YZ450F 2009

KTM 450 SX-F 2012

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Differences

Yamaha YZ450F 2009

KTM 450 SX-F 2012

Engine and Drive Train

Bore	Bore	95 mm	Bore	97 mm
Stroke	Stroke	63.4 mm	Stroke	60.8 mm
Compression Ratio	Compression Ratio	12.3	Compression Ratio	12.5
Starter	Starter	Kick	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	CDI	Ignition	Kokusan
Transmission	Transmission	Chain	Transmission	Chain
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	449 ccm	Displacement	449.3 ccm

Suspension Front

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

Chassis

Frame	Frame	Aluminium	Frame	Steel

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
Wheelbase	Wheelbase	1,496 mm	Wheelbase	1,475 mm
Seat Height	Seat Height	1,000 mm	Seat Height	985 mm
Dry Weight	Dry Weight	108.3 kg	Dry Weight	104.6 kg
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	8 l