50cc Top End Piston Cylinder Kit for Yamaha PW50 and QT50 | 1-1816468-936558

This 50cc top end piston and cylinder kit includes the cylinder, cylinder head, piston, two piston rings, wrist pin, needle bearing, two circlips, head gasket, base gasket, four cylinder studs, and four cylinder stud nuts. The cylinder is made from solid cast iron with a black powder-coated finish. The cylinder head is powder-coated cast aluminum and machined for standard compression.