Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11631-60 STD Viewer:945 OEM No. : 676-11631-60-STD For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6R5-11635-01 0.25 Piston Kit 61N-11636-00 0.50 Seal, Trim Dust 6H1-43822-10-00 Gasket, Cylinder Head 350-01005-0/350010050M