Honda CRF 450 RX 2021 vs. Kawasaki KX450F 2017

Technical Specifications Honda CRF 450 RX 2021 compared to Kawasaki KX450F 2017

Honda CRF 450 RX 2021

Kawasaki KX450F 2017

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Differences

Honda CRF 450 RX 2021

Kawasaki KX450F 2017

Engine and Drive Train

Bore	Bore	96 mm	Bore	96 mm
Stroke	Stroke	62.1 mm	Stroke	62.1 mm
Compression Ratio	Compression Ratio	13.5	Compression Ratio	12.8
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Kick
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	Transistor	Ignition	CDI, Digital
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
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	449.7 ccm	Displacement	449 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	49 mm	Diameter	49 mm
Travel	Travel	310 mm	Travel	310 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Shock mount	Shock mount	Pro-Link	Shock mount	Deflection
Travel	Travel	313 mm	Travel	315 mm

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
Frame type	Frame type	Double cradle	Frame type	Perimeter
Rake	Rake	62.8 degree	Rake	62 degree
Trail	Trail	115 mm	Trail	125 mm

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	270 mm
Piston	Piston	Double piston	Piston	Double piston
Technology	Technology	Wave	Technology	Petal

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	240 mm	Diameter	240 mm
Piston	Piston	Single piston	Piston	Single piston

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	80 mm
Front tyre height	Front tyre height	90 %	Front tyre height	100 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	120 mm	Rear tyre width	120 mm
Rear tyre height	Rear tyre height	90 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	19 inch
Length	Length	2,182 mm	Length	2,195 mm
Width	Width	839 mm	Width	820 mm
Height	Height	1,282 mm	Height	1,290 mm
Wheelbase	Wheelbase	1,477 mm	Wheelbase	1,495 mm
Seat Height	Seat Height	965 mm	Seat Height	960 mm
Fuel Tank Capacity	Fuel Tank Capacity	8 l	Fuel Tank Capacity	6.3 l