Products PWC- YamahaGasket / O-Ring / Shim Back Gasket - Upper Casing 6K8-45113-00 Item number: 6K8-45113-00 Fit on models: 1989 Yamaha WR500F CRANKSHAFT - PISTON You May Also Be Interested In Gasket - Cylinder Head 64X-11181-00 Gasket, Body 648-24434-00 Nut 11-35921 / 35921 Oil Seal 93103-35M03