Products PWC- Yamaha500 CC Back Gasket - Hole Cover 6K8-81365-00 Item number: 6K8-81365-00 Fit on models: 1987 Yamaha WR500H GENERATOR 1988 Yamaha WR500G GENERATOR You May Also Be Interested In Oil Seal Kit 6K8-W0001-OS Screw, Pan Head 98580-05016 Piston Ring R09-741-04 Piston Kit 09-817 / 82M-11631-02