38mm Cylinder Piston Gasket Kit 50cc For Yamaha XF50 C3 XC50 Vino YW50F Zuma 4T38mm Cylinder Piston Gasket Top End Rebuild Kit 50cc For MBK Booster Nitro Ovetto Yamaha Aerox Giggle 4T LC Features: If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you. Kit includes cylinder, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). Piston is anodized for superior heat resistance and longer lifespan. The gaskets