cylinder kit 125cc for China 4-stroke GY6 125 152QMI/157QMJ

125cc Cylinder kit for all 125cc 4 stroke Chinese scooters which use the GY6 152QMI engines. An ideal low cost replacement kit for those worn or damaged top ends. Kit is supplied with required top end gaskets, barrel, piston, rings, pin and clips. Please note: If purchasing this kit for the Sym 125cc scooters, please ensure your engine is the GY6 version (cylinder head stud holes have a distance of 63mm hole to hole, outside to outside measurement). Specification: - Piston pin: 15mm - Piston diameter: 52mm - Bore: 52.4mm - Height d cylinder: 69mm . - Overall height D cylinder: 90mm.