Shop by Brand Yamaha OutboardGear Back Pinion, Gear Set 99999-04029-00 (25T) Viewer:75 OEM No.: 99999-04029-00 For Yamaha Outboard 75, 80, 90, 100 HP You May Also Be Interested In Forward Gear 6K5-45560-00-00(28T) Gear 676-45570-00/676-45571-00(26T) Propeller Shaft 6H1-45611-00-00/6H1-45611-01-00 Piston Kit 6R5-11646-11 0.50