Pwc/YamahaYamaha - PWC Gasket & Oil Seals Back Gasket - Upper Casing 6K8-45113-00 Personal Watercraft Parts & Accessories Viewer:765 Item No: 6K8-45113-00 Fits: 1989 Yamaha WR500F CRANKSHAFT - PISTON You May Also Be Interested In Gasket - Valve Seat 61X-14613-A0 / 61X-14613-A1 Gasket - Cylinder Head 66E-11351-00 Piston Kit 09-742 Head Gasket Kit 420950771-2F