Shop by Brand Yamaha OutboardGear Back Pinion, Gear Set 99999-04029-00 (25T) Viewer:82 OEM No.: 99999-04029-00 For Yamaha Outboard 75, 80, 90, 100 HP You May Also Be Interested In Gear 694-45560-00(23T) Gear 63V-45571-00(27T) Seal 6F5-42615-00-00 Coil Ignition 582508/0582508