KTM 250 EXC SIX Days [2024-2026] - Cast pistons

PROX cast piston for KTM 250 EXC SIX Days 2024-2026

The PROX cast piston is assigned to the KTM 250 EXC SIX Days from the entire 2024-2026 model year range. As a component for the upper engine area, it combines a cast design with standard piston compression.

Function and execution

The piston is made of aluminum and is made from a special alloy. This design is tailored to minimize friction and thus support reliable piston function. The apron has a MoS2 coating. The domed piston is specified as a 2T version.

Technical data

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

Vehicle assignment

Suitable for KTM 250 EXC SIX Days, built between 2024 and 2026.

Selection note

When making the selection, the diameter of 66.36 mm, the marking C and the oversize +0.02 should be taken into account in particular. The standard compression and the 2T specification make it easier to match the intended engine version.