Also fits PY50 Chinese Copy and Yamaha QT50. Cylinder Barrel. Cylinder Head. Yamaha 3L5-11311-01-00, 517-11181-01-00, 3L5-11111-02-00, 3PT-11351-00-00, 90116-06269-00, 95380-06600-00, BP4-HS000-00-00, 18U-11631-00-A0, 260-11601-03-00, 2E9-11633-00-00, 93450-11021-00, 93310-210M0-00.
