Wossner forged Piston kitRef : WO00380A / 1124798003

WÖSSNER Forged Piston - Manufacturer Ref. 4091DC

Designed for the Cross world, this Wössner forged piston is aimed at engine preparations that require a precisely sized original part. It features a diameter of Ø 87.97 mm, which is an oversize of +0.2 mm (letter C), and is delivered in a ring kit (ring reference: TPR88.00).

• Piston diameter: 87.970 mm
• Oversize: +0.2 mm (C)
• Piston compression: Standard
• Wössner compression ratio: 14.6:1
• Material: Aluminum
• Number of rings: Kit (TPR88.00)
• Reference: 4091DC

This piston is particularly suitable for modern 350 cc Cross bikes — examples include: KTM 350 SX-F (2025), Husqvarna FX 350 (2024), and GAS GAS MC 350 F (2024). Before installation, check the cylinder/piston clearance and compatibility with your model and year. Recommendation: check tolerances and torque settings during installation, and entrust the operation to a qualified mechanic if necessary.