Yamaha YZ450F 2009 vs. KTM 350 SX-F 2011

Technical Specifications Yamaha YZ450F 2009 compared to KTM 350 SX-F 2011

Yamaha YZ450F 2009

KTM 350 SX-F 2011

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Differences

Yamaha YZ450F 2009

KTM 350 SX-F 2011

Engine and Drive Train

Bore	Bore	95 mm	Bore	88 mm
Stroke	Stroke	63.4 mm	Stroke	57.5 mm
Compression Ratio	Compression Ratio	12.3	Compression Ratio	13.5
Starter	Starter	Kick	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
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
Displacement	Displacement	449 ccm	Displacement	349.7 ccm

Suspension Front

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

Chassis

Frame	Frame	Aluminium	Frame	Steel
Frame type	Frame type	Twin Tube	Frame type	Central tube

Dimensions and Weights

Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	12 inch
Rear tyre diameter	Rear tyre diameter	19 inch	Rear tyre diameter	19 inch
Wheelbase	Wheelbase	1,496 mm	Wheelbase	1,495 mm
Seat Height	Seat Height	1,000 mm	Seat Height	992 mm
Dry Weight	Dry Weight	108.3 kg	Dry Weight	103 kg
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	7.5 l