Cylinder Barrel Kit For Yamaha Y Zinger 5 Big Bore Head Piston Pee Wee PW50

For Yamaha PW50 1981 - 2009. - High-Quality Cast Aluminum Piston for Superior Quality and Performance. - Bore: 44mm. - Piston: 44mm. - Cylinder is Manufactured from Cast Iron and Powder Coated Black. for Yamaha QT50 1979 - 1987.