PW50 Top end Rebuild Kit 60cc – Big Bore Kit

PW50 Big Bore Top end Rebuild Kit (60cc)

44mm Barrel and Piston

Installing a 60cc big bore kit replaces the stock 40mm piston and cylinder with a larger 44mm one. The larger bore offers several key performance improvements

A 60cc top-end rebuild on a Yamaha PW50 increases the engine’s displacement, improving power and torque throughout the powerband, which helps accelerate more quickly, especially for heavier or faster riders.

It’s also a common way to refresh a tired motor to like-new condition

Complete with Barrel, Head, Piston, Rings, Gudgen Pin, Circlips, Top End Bearing, Engine Studs, Head & base Gaskets, Spark Plug.

Fits all models, No modification need to be done but, it is recommended to change the carburetor jets to properly tune the engine for the increased airflow and displacement