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 - Manifold 6K8-13556-00 Gasket - Muffler Damper 6K8-14739-00 Piston Ring R09-826-03 Piston Ring 61X-11603-00 / 61X-11604-00 / 61X-11605-00