Wossner Full forged size A Piston kitRef : 8690DA / 1093805001

The WÖSSNER Pro Series forged piston is an engine part designed for off-road and motocross practices. Machined from aluminium and forged to maintain a homogeneous structure, it comes in oversize A and features a precise piston diameter of Ø 75.960 mm for a nominal bore of 76.00 mm. Its skirt benefits from an anti-friction treatment to limit wear against the sleeve and facilitate the running-in process.

• Forged aluminium piston — Pro Series
• Compression: high compression
• Bore diameter: 76.00 mm — Piston diameter: Ø 75.96 mm (oversize A)
• Skirt treated with anti-friction
• Delivered complete: ring(s), circlips, and pin

Designed for 2 and 4-stroke motocross engines, this piston is aimed at riders looking for an alternative original part during an engine overhaul or overbore. The respected dimensional fit facilitates machining and running-in, while the supplied rings/circlips/pin set allows for quick assembly in the workshop. Please ensure compatibility with your cylinder and manufacturer tolerances before installation.

Common application examples: KTM 250 EXC-F SIX DAYS (2013), HUSABERG FE 250 (2013), KTM 250 EXC-F (2013).

Manufacturer's ref: 8690DA — Brand: WOSSNER