Wiseco Pistons PK1561 Top End Piston Kit Yamaha - PW80 BW80 48.5mm

The Wiseco PK1561 is a complete top end piston kit designed for Yamaha PW80 and BW80 models. This kit provides everything needed to successfully overb ore or rebuild the top end of your two-stroke engine, ensuring a reliable and performance-ready result straight out of the box.

Wiseco pistons are manufactured using a forged construction process, which produces a stronger, lighter piston compared to cast alternatives. The forged billet material offers superior heat resistance and durability under the high-stress conditions of two-stroke engine operation, making this kit an excellent choice for both restoration and performance rebuilds.

Kit Includes:

• Forged 48.5mm (649M overbore) piston
• Piston rings
• Wrist pin (piston pin)
• Circlips
• Top end gasket set

Key Features:

• Forged piston construction for enhanced strength and longevity
• 48.5mm bore diameter — suitable for overbore applications
• Complete kit eliminates the need to source individual components separately
• Precision manufactured to OEM tolerances for proper fit and seal
• Designed specifically for Yamaha PW80 and BW80 two-stroke engines

Whether you're refreshing a worn engine or building for improved performance, the Wiseco PK1561 top end kit delivers professional-grade components in a single, convenient package.