Shop by Brand Yamaha OutboardFlywheel Back Flywheel 66T-85550-10-00 Viewer:106 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 Propeller 58100-96440-019 Shim 12-8M0050439/8M0050439