Manufacturer reference: 8131D050 — WÖSSNER forged piston, designed for motocross bikes. Designed and manufactured in Germany by Wössner, a specialist in engine parts for 2-stroke and 4-stroke engines.
This forged aluminum piston is intended for a +0.50 mm oversize and is suitable for reconditioning or overbore operations. Its skirt features an anti-friction treatment to reduce friction during the initial start-up and facilitate the break-in process. Raw part ready to be installed in a reworked cylinder according to the specified dimensions.
- Bore diameter: 56.50 mm
- Piston diameter: Ø 56.440 mm (Ø 56.44)
- Oversize: 050 (+0.50 mm)
- Material: Forged aluminum
- Number of rings: 1
- Supplied with: ring(s), circlips, and pin
Suitable for the Cross universe, this piston is particularly compatible with models prepared for an increased bore. Compatibility examples: YAMAHA YZ 125 (1989 - 125 cm3). Before installation, check compatibility with your cylinder and adhere to the manufacturer's recommendations for clearance checks and torque specifications.
