Wossner forged piston kit with a 56.00mm bore, designed as a replacement for various Yamaha models, including the TZR125, DT125R, R1-Z, and others. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse.

Features

• Complete piston and rings kit


• Manufactured to tight tolerances for precise fit and function


• Direct OEM replacement


• Meets or exceeds OEM quality standards


• Forged construction for superior strength


• Optimized heat transfer for efficient combustion


• Elliptical design for uniform load distribution


• Manufactured in Germany

Specifications

• Bore: 56.00mm

Cross-Reference OEM Part Numbers

• 2YK-11631-04-35


• 8006DA


• 4DL-E1631-10-C0

Vehicle Fitments

• Yamaha TZR125 (1987-1992)


• Yamaha DT125R (1988-1999)


• Yamaha R1-Z (1991-1992)


• Yamaha TDR125 (1992-1998)


• Yamaha TZR125R (1992-1998)