KTM 250 EXC TPI [2018-2023] - Cast pistons

PROX cast piston for KTM 250 EXC TPI 2018-2023

The PROX cast piston is designed for use in the KTM 250 EXC TPI from the entire 2018-2023 model year range. Its special alloy supports low-friction function and is designed for reliable operation.

Technical features

• Material: aluminum
• Piston Type: Cast
• Piston compression: standard
• Diameter Ø: 66.36 mm
• Letter oversize: C
• Oversize: +0.02
• Stroke: 2T
• Specificity: Domed piston / MoS2 coating of the skirt

Design of the piston

The curved piston shape is a specific design feature tailored to the intended engine. A MoS2 coating on the skirt complements the design of the cast aluminum piston. The standard piston compression value facilitates technical assignment within the specified vehicle application.

Vehicle assignment

Suitable for the KTM 250 EXC TPI, built between 2018 and 2023. The assignment refers to this model and the specified year of manufacture.

Selection guide

When selecting, the diameter of 66.36 mm, the oversize letter C and the oversize information +0.02 must be taken into account. The marking “2T” describes the specified stroke version.