WOSSNER 77mm PISTON KIT A, YAMAHA WR250F 18-19, YZ250F 16-18, YZ250FX 17-19

Wossner forged pistons are engineered for superior strength and effective thermal performance, featuring an elliptical design that ensures uniform load distribution during heat expansion. This model has a 77.00mm bore (76.95mm actual size) and is designed for Yamaha YZ 250 F models from 2016 to 2018.

Features

• Forged for strength and reliability
• Elliptical design for even thermal expansion and load balance
• Made in Germany

Specifications

• Bore Size: 77.00mm (actual 76.95mm)

Cross-Reference OEM Part Numbers

• 1SM-11631-10-00

Vehicle Fitments

• Yamaha YZ 250 F 2016–2018