2010 - 2016 SYM SYMPHONY 125

150cc cylinder kit | 101 OCTANE

Product description

150cc Cylinder kit for all 125/150cc 4 stroke Chinese scooters which use the GY6 157QMI or 152QMI engines Can be used as a direct replacement for 150cc engines as standard or a performance upgrade to 125cc engines If fitting to a 125cc scooter then necessary up jetting will be required (approx 10%) Kit is supplied with required top end gaskets, barrel, piston, rings, pin and clips 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)