WÖSSNER Forged Piston – Manufacturer Ref. 8117DA

Designed and machined in Germany by Wössner, this forged piston for motocross combines robustness and precision for 2-stroke and 4-stroke engines. Made from forged aluminum, it offers a dense structure and good resistance to the thermal and mechanical stresses typical of off-road riding.

• Bore diameter: 54.00 mm
• Piston diameter: Ø 53.94 mm (oversize letter: A)
• Material: forged aluminum
• Number of rings: 1
• Anti-friction treated skirt to limit wear and friction
• Delivered complete: ring(s), circlips, and pin

The skirt finish and machining quality ensure a precise fit to the bore (controlled tolerances), facilitating break-in and dimensional stability. This piston is particularly aimed at motocross riders looking for a reliable engine part for frequent rev ups and demanding conditions.

Notable compatibility: YAMAHA YZ 125 (1997 - 125 cm³). Always check the reference and oversize before installation to ensure proper fit to your engine.