Fitment: 40mm Cylinder Piston Top End Kit Fit for Yamaha PW50 1981-2018. Bore & Stroke: 40mm & 39mm.
Replace Part Number: Fit for Yamaha 4J2-11111-00-00, 517-11181-01-00, 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, 4J2-11311-00-00, 4J2-11311-01-00.
Features: Cylinder Piston Ring Gasket kit with precise density to provide a reliable seal with minimal tightening. Cylinder Piston Ring Gasket kit set made of high-quality cast-iron to satisfy the tough demands, they are the superior choice when building a professional racing engine.
Perfect Replacement: Replacement cylinder piston ring gasket kit sets engineered from premium materials to provide exceptional service life and reliability.
Package Included: 40mm Cylinder Piston Top End Kit. As picture show.