This piston kit is a standard OEM replacement designed for 54.00mm bore applications. It supports reliable engine performance across various Yamaha 125cc models and includes all essential components for a complete top-end rebuild.

Features

• Meets or exceeds OEM quality


• Direct OEM replacement


• Best value for money


• Easy to install; professional assistance recommended if unsure


• Please check the image before ordering to avoid mistakes

Package Included

• Standard size piston


• Piston ring kit


• Piston pin


• Circlips


• Cylinder head gasket


• Cylinder block gasket

Cross-Reference OEM Part Numbers

• 5HP-11631-00-A0


• Forged Wossner 8649DA


• 5HP-11631-00-A0

Specifications

• Bore size: 54.00mm


• Standard (STD) bore: 53.94mm

Vehicle Fitments

• Yamaha TTR125 (2001–2013)


• Yamaha XT125X (2001–2013)


• Yamaha XT125XR (2001–2013)


• Yamaha YBR125 (2001–2013)