Tecnium Full forged size A Piston kitYAMAHA 125 YZ 125 - 1976 - 1982Ref : 8115DA / 1093550001

WÖSSNER Forged Piston – Manufacturer Ref. 8115DA

Designed by Wössner in Germany, this forged piston is intended for 125cc (2-stroke) motocross engines requiring a reliable and precise replacement part. Machined from aluminum, it features oversize dimensions A to fit slightly re-bored cylinders.

• Type: forged aluminum piston
• Piston diameter: Ø 55.940 mm (ø indicated 55.94 mm)
• Corresponding bore diameter: 56.00 mm
• Compression: standard
• Delivered complete with rings, circlips, and pin
• Anti-friction treatment on the skirt to reduce friction during assembly

Designed for oversize cylinder preparations (letter A). Piston suitable for the motocross world and compatible with many YZ 125 models from 1980–1982 — including the YAMAHA YZ 125 (1980/1981/1982) models.

Choice of parts for riders looking for a specialized original engine part: check your bore diameter and the oversize letter before ordering to ensure proper fit. WOSSNER Reference: 8115DA.