Shop by Brand Yamaha OutboardGear Back Gear 63V-45571-00(27T) Viewer:1294 OEM No.: 63V-45571-00 For YAMAHA outboard 9.9, 15 HP You May Also Be Interested In Pinion Gear 689-45551-00-00(13T) Gear 69J-45571-00-00(30T) Piston Kit 6R5-11636-01 0.50 Seal, Upper 318451/0318451