KTM 250 EXC-F SIX DAYS 2018 vs. Yamaha WR450F 2020

Technical Specifications KTM 250 EXC-F SIX DAYS 2018 compared to Yamaha WR450F 2020

KTM 250 EXC-F SIX DAYS 2018

Yamaha WR450F 2020

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Differences

KTM 250 EXC-F SIX DAYS 2018

Yamaha WR450F 2020

Engine and Drive Train

Bore	Bore	78 mm	Bore	97 mm
Stroke	Stroke	52.3 mm	Stroke	60.8 mm
Compression Ratio	Compression Ratio	12.8	Compression Ratio	12.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric, Kick
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	5
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	249.91 ccm	Displacement	449 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Travel	Travel	300 mm	Travel	310 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock mount	Shock mount	direct	Shock mount	Deflection
Travel	Travel	310 mm	Travel	318 mm

Chassis

Frame	Frame	Steel	Frame	Aluminium
Frame type	Frame type	Central tube	Frame type	Twin Tube
Rake	Rake	63.5 degree	Rake	63.8 degree

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	270 mm

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 mm	Diameter	245 mm

Dimensions and Weights

Front tyre width	Front tyre width	80 mm	Front tyre width	90 mm
Front tyre height	Front tyre height	100 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	140 mm	Rear tyre width	130 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	90 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	18 inch
Wheelbase	Wheelbase	1,482 mm	Wheelbase	1,465 mm
Seat Height	Seat Height	960 mm	Seat Height	965 mm
Fuel Tank Capacity	Fuel Tank Capacity	8.5 l	Fuel Tank Capacity	7.5 l