Kawasaki KX250X 2025 vs. Kawasaki KX450X 2025

Technical Specifications Kawasaki KX250X 2025 compared to Kawasaki KX450X 2025

Kawasaki KX250X 2025

Kawasaki KX450X 2025

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Differences

Kawasaki KX250X 2025

Kawasaki KX450X 2025

Engine and Drive Train

Bore	Bore	78 mm	Bore	96 mm
Stroke	Stroke	52.2 mm	Stroke	62.1 mm
Compression Ratio	Compression Ratio	14.1	Compression Ratio	12.5
Fuel system	Fuel system	Injection	Fuel system	Carburator
Starter	Starter	Electric	Starter	Electric
Ignition	Ignition	CDI, Digital	Ignition	CDI, Digital
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	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Lubrication	Lubrication	Forced	Lubrication	Forced
Displacement	Displacement	249 ccm	Displacement	449 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	48 mm	Diameter	48 mm
Travel	Travel	314 mm	Travel	305 mm
Adjustment	Adjustment	Compression, Preload, Rebound	Adjustment	Compression, Rebound

Suspension Rear

Travel	Travel	316 mm	Travel	307 mm
Adjustment	Adjustment	Compression, Preload, Rebound	Adjustment	Compression, Preload, Rebound

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
Rake	Rake	42 degree	Rake	42 degree

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	270 mm	Diameter	250 mm
Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Semi-Schwimmsattel	Shock mount	Semi-Schwimmsattel

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	250 mm	Diameter	240 mm
Piston	Piston	Single piston	Piston	Single piston

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	120 mm
Rear tyre height	Rear tyre height	100 %	Rear tyre height	90 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	18 inch
Length	Length	2,170 mm	Length	2,185 mm
Width	Width	820 mm	Width	820 mm
Height	Height	1,260 mm	Height	1,265 mm
Wheelbase	Wheelbase	1,480 mm	Wheelbase	1,485 mm
Seat Height	Seat Height	945 mm	Seat Height	950 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	105.2 kg	Kerb Weight (with ABS)	126 kg
Fuel Tank Capacity	Fuel Tank Capacity	6.2 l	Fuel Tank Capacity	6.2 l