Tecnium Complete forged A-rib Piston kitRef : 8216DA / 1093630001

WÖSSNER Forged Piston – Manufacturer Ref: 8216DA

High-quality forged piston, designed and manufactured in Germany by Wössner for the motocross world. Made from forged aluminum, with a friction-treated skirt, suitable for the high demands of 2-stroke and 4-stroke off-road engines. Built to provide robustness and mechanical integrity without compromising on bore precision.

• Bore Diameter: 66.40 mm
• Piston Diameter: Ø 66.350 mm (oversize letter: A)
• Material: forged aluminum
• Number of Rings: 2
• Finish: friction-treated skirt
• Delivered with: ring(s), circlips, and pin

This piston is intended for motocross riders looking for a reliable engine part during high revs and demanding conditions. The oversize "A" allows for precise fitting when reboring to factory specifications. Suitable for the models listed among common compatibilities:

• YAMAHA YZ 250 (2026 – 250 cm3)
• FANTIC XX 250 (2026 – 250 cm3)
• YAMAHA YZ 250 (CG23) (2023 – 250 cm3)

Check the dimensions and engine compatibility before installation. Product delivered ready for installation according to manufacturer assembly recommendations.