Shop by Brand Yamaha OutboardFlywheel Back Flywheel 66T-85550-10-00 Viewer:119 OEM No.: 66T-85550-10-00 / 66T-85550-00-00 For Yamaha outboard 40 HP You May Also Be Interested In Flywheel 66T-85550-10-00 Flywheel 688-85550-13-00 Spring 24-8126341/8126341 Gasket, Pump Guide Plate 3B2-65029-0/3B2650290M