Pwc/YamahaYamaha - PWC Gasket & Oil Seals Back Gasket - Silencer 6K8-14755-00 Personal Watercraft Parts & Accessories Viewer:747 Item No: 6K8-14755-00 Fits: 1990 Yamaha WAVE RUNNER - WR500D EXHAUST 1 You May Also Be Interested In Gasket - Exhaust Pipe 66E-14613-00 Gasket, Body 648-24435-02 Ball Bearing 30-88957T Bearing 93306-20401