Wössner forged piston 55.94mm (8118DA) Yamaha YZ125 86-88

This forged flat-head piston is made from a highly balanced silicon alloy to ensure flawless reliability in all operating conditions.

- Bore diameter: 55.94mm
- 4032 T6 forged aluminum alloy
- T6 heat treatment to enhance heat resistance and durability under intensive use
- Pistons feature a high-quality permanent coating on the skirt to reduce friction and piston play, for quiet, improved performance
- Diameter 55.94 mm (dimension A: standard)
- Molybdenum disulfide-treated skirt
- Supplied with rings, circlips and pin

NB: Before replacing a piston, accurately check the wear dimension of the cylinder using a suitable bore gauge and a 1/100th micrometer.