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Forged aluminum piston, designed and machined in Germany by Wössner to meet the needs of 2-stroke and 4-stroke engines. Intended for the Quad, Cross, and Roadster universes, this Pro Series piston is suitable for engine refurbishment operations and overbore machining.
This piston is suitable for replacement operations after overbore to +0.50 mm: machined diameter and controlled tolerances for precise fitting. The skirt benefits from an anti-friction treatment to facilitate bedding in and limit superficial wear during the initial hours.
Top 3 compatible motorcycles:
Manufacturer reference: 8501D050. Packaging includes ring(s), circlips, and pin ready for installation during engine overhaul.




