
The WÖSSNER Pro Series forged piston is an engine part designed for off-road and motocross practices. Machined from aluminum 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 minimize wear against the cylinder and facilitate engine break-in.
Designed for 2 and 4-stroke motocross engines, this piston is aimed at riders looking for an alternative OEM part during an engine overhaul or overbore. The respected dimensional fit facilitates machining and break-in, while the included rings/circlips/pin set allows for quick installation in the workshop. Be sure to check 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 part number: 8690DA — Brand: WOSSNER