KTM 150 SX 2021 vs. KTM 150 SX 2025

Technical Specifications KTM 150 SX 2021 compared to KTM 150 SX 2025

KTM 150 SX 2021

KTM 150 SX 2025

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Differences

KTM 150 SX 2021

KTM 150 SX 2025

Engine and Drive Train

Bore	Bore	58 mm	Bore	58 mm
Stroke	Stroke	54.5 mm	Stroke	54.5 mm
Fuel system	Fuel system	Carburator	Fuel system	Injection
Starter	Starter	Kick	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
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	143.99 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Brand	Brand	WP	Brand	WP
Diameter	Diameter	48 mm	Diameter	48 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	Deflection	Shock mount	Deflection
Travel	Travel	300 mm	Travel	300 mm

Chassis

Frame	Frame	Steel	Frame	Chromium-molybdenum
Frame type	Frame type	Central tube	Frame type	Double cradle, Central tube

Brakes Front

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

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 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	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	1,493 mm
Seat Height	Seat Height	950 mm	Seat Height	958 mm
Dry Weight	Dry Weight	87.5 kg	Dry Weight	92.6 kg
Fuel Tank Capacity	Fuel Tank Capacity	7.5 l	Fuel Tank Capacity	7.2 l