KTM 250 XC-W SIX Days [2026] - WÖSSNER forged pistons

WÖSSNER forged pistons for the KTM 250 XC-W SIX Days

The WÖSSNER forged piston is assigned to the KTM 250 XC-W SIX Days built in 2026. It belongs to the engine area and is designed as a piston for a 2T engine. The technical design includes a diameter of 66.35 mm and the oversize letter B.

Technical features

• Brand: WOSSNER
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 66.35 mm
• Letter oversize: B
• Oversize: +0.01
• Bore diameter: 66.41mm
• Number of piston rings: 2
• Version: 2T

Vehicle assignment

The forged piston is intended for the KTM 250 XC-W SIX Days, built in 2026. The assignment refers to this vehicle and this complete year of manufacture.

Selection guide

The piston diameter of 66.35 mm, the bore diameter of 66.41 mm, the oversize +0.01 and the marking B are particularly important for the selection. In addition, the piston has 2 piston rings and is made of aluminum. This information enables comparison with the technical requirements of the KTM 250 XC-W SIX Days built in 2026.