Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11636-00 0.50 Viewer:848 OEM No. : 676-11636-00-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6F5-11631-00 STD Piston Kit 6L1-11642-01 STD Float 6J8-14385-00 Powerhead Gasket Kit 65W-W0001-02-00