PISTON KIT 86-88 YZ125 56.00, WOSSNER 8118DA YAMAHA MX 1LX-11635-00-00

This Wossner 56.00mm standard bore forged piston kit is designed for Yamaha YZ125 models from 1986 to 1988. Manufactured in Germany, it features a forged construction and elliptical design that enhances durability, manages heat expansion effectively, and distributes mechanical loads evenly. Engineered for two-stroke performance, the piston promotes efficient heat transfer from the combustion chamber to the cylinder walls.

Features

• Forged piston construction for superior strength

• Elliptical design ensures uniform bearing surface during heat expansion

• Even thrust load distribution helps prevent localised stress and piston collapse

• Designed for efficient combustion heat transfer to cylinder walls

• Manufactured in Germany

Specifications

• Bore: 56.00mm

• Actual diameter: 55.94mm

• Displacement: 123 cm³

• Stroke: 50.00mm

• Clearance: 0.06mm

• Compression height: 30.00mm

• Compression ratio: 2-stroke

Cross-Reference OEM Part Numbers

• Piston Kit Part No.: 56-W559+000.WO

• Wossner Piston Kit No.: 8118DA

• Lock: CW16

• Pin: WP036

• Ring Set: RSB5600

• OEM Reference: 1LX-11635-00-00

Vehicle Fitments

• Yamaha YZ125 1986

• Yamaha YZ125 1987

• Yamaha YZ125 1988