Shop by Brand Yamaha OutboardGear Back Pinion, Gear Set 99999-04029-00 (25T) Viewer:83 OEM No.: 99999-04029-00 For Yamaha Outboard 75, 80, 90, 100 HP You May Also Be Interested In Gear, Reverse 688-45570-00/688-45571-00/688-45571-01-00(26T) Gear 63P-45571-00-00(28T) Fuel Pump 692-24410-00-00 / 663-24410-00-00 Socket, Fuel Hose 65750-98505-000