
WÖSSNER Forged Piston - Manufacturer Ref: 8959DA
Replace or repair your Cross engine with this Wössner forged piston designed for the 250 SEF‑R 2018. Made from aluminum, this piston features an "A" size (oversize) and standard compression, suitable for engine refurbishment operations where bore precision and dimensional stability are crucial.
This piston is aimed at riders and workshops looking for a replacement part that meets manufacturer specifications. Before installation, check the bore, oversize specification, and the condition of the rings, pins, and circlips. Installation must adhere to the clearances and tolerances recommended by the manufacturer to ensure optimal longevity.
Compatibility (examples):