KTM 250 SX-F Factory Edition [2026-2027] - Piston Kit

PROX piston kit for KTM 250 SX-F Factory Edition

The PROX piston kit is designed as a piston set for the KTM 250 SX-F Factory Edition from 2026-2027. It is suitable for the model with fuel injection and bundles the components intended for piston use in one kit.

Piston and execution

The piston is made of aluminum and is forged. Piston compression is specified as standard. With a diameter of 80,970 mm, the letter for oversize B and oversize +0.01, the kit offers clearly defined dimensions for selecting the appropriate piston set.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 80,970 mm
• Letter oversize: B
• Oversize: +0.01
• Compression ratio: 14.5:1
• Stroke: 4T

Scope of delivery

The kit contains the piston, piston rings, a piston pin and circlips. This summarizes the piston components listed in the set.

Vehicle assignment

Suitable for the KTM 250 SX-F Factory Edition, built in 2026-2027. The assignment refers to this model and this complete year range.