Kawasaki KX 250 2025 vs. Yamaha YZ250F 2021

Technical Specifications Kawasaki KX 250 2025 compared to Yamaha YZ250F 2021

Kawasaki KX 250 2025

Yamaha YZ250F 2021

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Differences

Kawasaki KX 250 2025

Yamaha YZ250F 2021

Engine and Drive Train

Bore	Bore	78 mm	Bore	77 mm
Stroke	Stroke	52.2 mm	Stroke	53.6 mm
Compression Ratio	Compression Ratio	14	Compression Ratio	13.8
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	CDI, Digital	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
Displacement	Displacement	249 ccm	Displacement	250 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Travel	Travel	305 mm	Travel	310 mm
Adjustment	Adjustment	Compression, Rebound	Adjustment	Compression, Preload, Rebound

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Shock mount	Shock mount	Uni Trak	Shock mount	Deflection
Travel	Travel	307 mm	Travel	317 mm
Adjustment	Adjustment	Compression, Preload, Rebound	Adjustment	Compression, Preload, Rebound
Material	Material	Aluminium	Material	Aluminium

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
Frame type	Frame type	Perimeter	Frame type	Twin Tube

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	270 mm	Diameter	270 mm
Technology	Technology	Petal	Technology	Wave

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	240 mm	Diameter	245 mm

Dimensions and Weights

Front tyre width	Front tyre width	80 mm	Front tyre width	80 mm
Front tyre height	Front tyre height	100 %	Front tyre height	100 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	110 mm	Rear tyre width	100 mm
Rear tyre height	Rear tyre height	90 %	Rear tyre height	90 %
Rear tyre diameter	Rear tyre diameter	19 inch	Rear tyre diameter	19 inch
Length	Length	2,190 mm	Length	2,175 mm
Width	Width	820 mm	Width	825 mm
Height	Height	1,265 mm	Height	1,285 mm
Wheelbase	Wheelbase	1,485 mm	Wheelbase	1,475 mm
Seat Height	Seat Height	955 mm	Seat Height	965 mm
Kerb Weight	Kerb Weight	109.5 kg	Kerb Weight	106 kg
Fuel Tank Capacity	Fuel Tank Capacity	6.2 l	Fuel Tank Capacity	6.2 l