Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11636-00 0.50 Viewer:829 OEM No. : 676-11636-00-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Ring 682-11610-20-00/682-11610-21-00 0.50 Piston Ring 64D-11605-00-00 0.50 Piston Kit 3C8-00001-3/3C8000013M/3C8-00001-4/3C8000014M STD Oil Seal 93101-20001-00