Shop by Brand Yamaha OutboardFlywheel Back Flywheel 66T-85550-10-00 Viewer:104 OEM No.: 66T-85550-10-00 / 66T-85550-00-00 For Yamaha outboard 40 HP You May Also Be Interested In Flywheel 688-85550-13-00 Flywheel 66T-85550-10-00 Starter Relay Assembly 6E5-81950-00-00 Spring, Spiral 90510-08M04-00