Products PWC- YamahaGasket / O-Ring / Shim Back Gasket - Silencer 6K8-14755-00 Item number: 6K8-14755-00 Fit on models: 1990 Yamaha WAVE RUNNER - WR500D EXHAUST 1 You May Also Be Interested In Gasket - Valve Seat 61X-13621-A0 / 61X-13621-A1 Gasket - Exhaust Outer 66V-41114-00 Piston 6D3-11631-00 / 6D3 -11635-00 / 6D3 -11636-00 Cylinder sleeve 496-44108-00