50F Big Bore Cylinder & Head Kit – 47mm

47mm Big Bore Cylinder and Head Kit for the Yamaha Zuma 50F, C3 and Vino Classic 50cc 4 Stroke Liquid Cooled Scooters. Upgrades to 75.6cc!
Includes cylinder, 3-Valve cylinder head, head gaskets, base gasket, piston, piston pin, piston rings and cir clips.Please note: A fuel pressure regulator or fuel injection tuner must be used with this cylinder kit.