Shop by Brand Yamaha OutboardGear Back Pinion, Gear Set 99999-04029-00 (25T) Viewer:74 OEM No.: 99999-04029-00 For Yamaha Outboard 75, 80, 90, 100 HP You May Also Be Interested In Gear 676-42151-00-94/676-42151-00-00(16T) Pinion Gear 68V-45551-00-00(13T) Gasket, Exhaust Inner Cover 6G5-41112-00-00 Piston Kit 700-878572A2/878572A 2 0.015