The base gasket for GY6 50cc engines (139QMB / 139QMA) is designed to ensure optimal sealing between the cylinder and the engine crankcase. It prevents oil, air, and compression leaks...
The NCY 88cc Cylinder Gasket Set for GY6 50cc Engine includes the necessary gaskets for installing or overhauling an NCY 88cc Big Bore cylinder. Designed to manufacturer specifications, these gaskets...