Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 676-11610-10 0.25 Viewer:836 OEM No. : 676-11610-10-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 69L-11645-00 0.25 Piston Ring 682-11610-00-00/682-11610-01-00 STD Piston Kit 6J8-11636-02-00 0.50 Screw, Countersunk 90152-05M09-00