Shop by Brand Yamaha OutboardGear Back Pinion, Gear Set 99999-04029-00 (25T) Viewer:94 OEM No.: 99999-04029-00 For Yamaha Outboard 75, 80, 90, 100 HP You May Also Be Interested In Gear 6A8-45551-00(13T) Pinion Gear 63P-45551-00-00(14T) Oil Seal 26-853707/853707 Bearing 93310-840U1-00