KTM 150 SX 2021 vs. Yamaha YZ125LC 2026

Technical Specifications KTM 150 SX 2021 compared to Yamaha YZ125LC 2026

KTM 150 SX 2021

Yamaha YZ125LC 2026

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Differences

KTM 150 SX 2021

Yamaha YZ125LC 2026

Engine and Drive Train

Bore	Bore	58 mm	Bore	54 mm
Stroke	Stroke	54.5 mm	Stroke	54.5 mm
Fuel system	Fuel system	Carburator	Fuel system	Carburator
Starter	Starter	Kick	Starter	Kick
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Ignition	Ignition	Kokusan	Ignition	CDI
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	2-Stroke	Strokes	2-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Lubrication	Lubrication	Mixed	Lubrication	Mixed
Displacement	Displacement	143.99 ccm	Displacement	125 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Brand	Brand	WP	Brand	Kayaba
Travel	Travel	310 mm	Travel	100 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Shock mount	Shock mount	Deflection	Shock mount	Deflection
Brand	Brand	WP	Brand	Kayaba
Travel	Travel	300 mm	Travel	315 mm

Chassis

Frame	Frame	Steel	Frame	Aluminium
Frame type	Frame type	Central tube	Frame type	Double cradle

Brakes Front

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

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 mm	Diameter	240 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	100 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	1,445 mm
Seat Height	Seat Height	950 mm	Seat Height	980 mm
Fuel Tank Capacity	Fuel Tank Capacity	7.5 l	Fuel Tank Capacity	7 l