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KTM 125 SX 2019

Engine & Exhaust

The latest version of the 125 SX engine is once again the most competitive and powerful engine in its class. With an outstanding power-to-weight ratio, low cost and overall simplicity, it is clear that 2-strokes will continue to have a successful future at KTM. The compact and durable 17.2 kg engine was developed using the latest KTM engineering know-how, resulting in broad power across the rev range. Its easy rideability and outstanding performance are benefits that equate to faster lap times and better results.

Engine

Cylinder

Crankcases and engine covers

Transmission

Engine

Factory spark plug

POWERPART
150 Factory kit

POWERPART
Factory piston

POWERPART

Cooling

Radiator fan

POWERPART
Radiator protection

POWERPART

Exhaust

Exhaust

Exhaust

FMF Powercore 2 silencer

POWERPART
FMF Powercore 2.1 silencer

POWERPART
FMF Titan Powercore 2.1 silencer

POWERPART

CNC-parts

Factory control cover

POWERPART
Outer clutch cover

POWERPART
Oil plug

POWERPART

The illustrated vehicles may vary in selected details from the production models and some illustrations feature optional equipment available at additional cost. All information concerning the scope of supply, appearance, services, dimensions and weights is non-binding and specified with the proviso that mistakes, printing, setting and typing errors may occur; such information is subject to change without notice. No rights may be derived from incorrect statements.