Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 682-11636-00 0.50 Viewer:882 OEM No. : 682-11636-00-0.50 For YAMAHA Outboard 9.9, 15 HP You May Also Be Interested In Piston Ring 63D-11604-00-00 0.25 Piston Kit 689-11635-60 0.25 Anode 63D-45251-00-00 Propeller Shaft 676-45611-00