Shop by Brand Yamaha OutboardFlywheel Back Flywheel 66T-85550-10-00 Viewer:109 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 Pinion, Gear 57311-98400-000(12T) Battery Cable 6H3-82105-00-00