OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.

Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating.This Part Fits:YearMakeModelSubmodel2002-2021KawasakiKX65Base

Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating.This Part Fits:YearMakeModelSubmodel2001-2004YamahaYZ125Base