Products PWC- Yamaha500 CC 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 - Hole Cover 6K8-81365-00 Gasket - Silencer 6K8-14755-00 Gasket - Exhaust Outer 66V-41114-00 Gasket - Exhaust Pipe 66V-14613-00