Shop by Brand Yamaha OutboardFlywheel Back Flywheel 66T-85550-10-00 Viewer:103 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 Tube, Water 6B4-44361-10-00 Claw Washer 90214-30003-00