KTM 250 EXC [2024-2025] - Piston kit

VERTEX piston kit for KTM 250 EXC 2024-2025

The VERTEX piston kit is intended for the engine overhaul of the KTM 250 EXC from the entire 2024-2025 model year range. As a top-end kit, it bundles the components for replacing the piston and associated components in the upper engine area. The design is designed for a two-stroke application and thus supports a structured renewal of the top end.

Scope of delivery

• Aluminum piston
• Piston rings
• Piston pin
• safety clips
• Top end gasket kit
• Needle bearing for the piston pin in two-stroke applications

Technical data

• Piston type: cast
• Piston compression: standard
• Diameter Ø: 66.37 mm
• Letter oversize: D
• Oversize: +0.03
• Bore diameter: 66.400000000000006 mm
• Number of piston rings: 2
• Stroke: 2T

Vehicle assignment

The piston kit fits the KTM 250 EXC from 2024-2025. The assignment applies to this model and this specified year of manufacture.

Selection guide

The D marking and the dimensions make it easier to compare it with the intended engine and the existing cylinder bore. Before ordering, the piston diameter, bore diameter and oversize should be compared with the dimensions required for the vehicle.