Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11636-60 0.50 Viewer:894 OEM No. : 676-11636-60-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Ring 6J8-11601-01-00 STD Piston Kit 6H4-11636-09 0.50 Piston Ring 656-11610-22 0.50 Oil Seal 3H8-07025-0/3H8070250M