Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 682-11636-00 0.50 Viewer:880 OEM No. : 682-11636-00-0.50 For YAMAHA Outboard 9.9, 15 HP You May Also Be Interested In Piston Pin 689-11633-00-00 Piston Kit 6R5-11631-11 STD Hose 90445-07M28-00 Gasket, Exhaust Cover 3B7-02305-0/3B7023050M