Kawasaki KX 250 2025 vs. KTM 125 SX 2021

Technical Specifications Kawasaki KX 250 2025 compared to KTM 125 SX 2021

Kawasaki KX 250 2025

KTM 125 SX 2021

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Differences

Kawasaki KX 250 2025

KTM 125 SX 2021

Engine and Drive Train

Bore	Bore	78 mm	Bore	54 mm
Stroke	Stroke	52.2 mm	Stroke	54.5 mm
Fuel system	Fuel system	Injection	Fuel system	Carburator
Starter	Starter	Electric	Starter	Kick
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	CDI, Digital	Ignition	Kokusan
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	5	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	2-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Lubrication	Lubrication	Forced	Lubrication	Mixed
Displacement	Displacement	249 ccm	Displacement	124.8 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	305 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	Uni Trak	Shock mount	Deflection
Travel	Travel	307 mm	Travel	300 mm

Chassis

Frame	Frame	Aluminium	Frame	Steel
Frame type	Frame type	Perimeter	Frame type	Central tube

Brakes Front

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

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	240 mm	Diameter	220 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
Wheelbase	Wheelbase	1,485 mm	Wheelbase	1,485 mm
Seat Height	Seat Height	955 mm	Seat Height	950 mm
Fuel Tank Capacity	Fuel Tank Capacity	6.2 l	Fuel Tank Capacity	7.5 l