Yamaha WR450F 2021 vs. Yamaha WR450F 2020

Technical Specifications Yamaha WR450F 2021 compared to Yamaha WR450F 2020

Yamaha WR450F 2021

Yamaha WR450F 2020

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Differences

Yamaha WR450F 2021

Yamaha WR450F 2020

Engine and Drive Train

Bore	Bore	97 mm	Bore	97 mm
Stroke	Stroke	60.8 mm	Stroke	60.8 mm
Compression Ratio	Compression Ratio	13	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
Ignition	Ignition	Transistor	Ignition	CDI
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
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	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Lubrication	Lubrication	Forced	Lubrication	Forced
Displacement	Displacement	449 ccm	Displacement	449 ccm

Suspension Front

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

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock mount	Shock mount	Deflection	Shock mount	Deflection
Travel	Travel	317 mm	Travel	318 mm
Material	Material	Aluminium	Material	Aluminium

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
Frame type	Frame type	Twin Tube	Frame type	Twin Tube
Rake	Rake	62.9 degree	Rake	63.8 degree
Trail	Trail	116 mm	Trail	114 mm

Brakes Front

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

Brakes Rear

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

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	90 mm
Front tyre height	Front tyre height	90 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	130 mm
Rear tyre height	Rear tyre height	90 %	Rear tyre height	90 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	18 inch
Length	Length	2,175 mm	Length	2,165 mm
Width	Width	825 mm	Width	825 mm
Height	Height	1,270 mm	Height	1,280 mm
Wheelbase	Wheelbase	1,480 mm	Wheelbase	1,465 mm
Seat Height	Seat Height	955 mm	Seat Height	965 mm
Kerb Weight	Kerb Weight	119 kg	Kerb Weight	123 kg
Fuel Tank Capacity	Fuel Tank Capacity	7.9 l	Fuel Tank Capacity	7.5 l