Yamaha YZ250F 2009 vs. KTM 350 SX-F 2021

Technical Specifications Yamaha YZ250F 2009 compared to KTM 350 SX-F 2021

Yamaha YZ250F 2009

KTM 350 SX-F 2021

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Differences

Yamaha YZ250F 2009

KTM 350 SX-F 2021

Engine and Drive Train

Bore	Bore	77 mm	Bore	88 mm
Stroke	Stroke	53.6 mm	Stroke	57.5 mm
Compression Ratio	Compression Ratio	13.5	Compression Ratio	14.2
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
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	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

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	1,476 mm	Wheelbase	1,485 mm
Seat Height	Seat Height	997 mm	Seat Height	950 mm
Dry Weight	Dry Weight	102.8 kg	Dry Weight	99.5 kg
Fuel Tank Capacity	Fuel Tank Capacity	7 l	Fuel Tank Capacity	7 l