Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 682-11636-00 0.50 Viewer:881 OEM No. : 682-11636-00-0.50 For YAMAHA Outboard 9.9, 15 HP You May Also Be Interested In Piston Kit 689-11636-00 0.50 Piston Pin 6E7-11633-00 Bearing 31-813048/813048 Ball Bearing 30-16049/16049