Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 676-11610-10 0.25 Viewer:960 OEM No. : 676-11610-10-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 69L-11646-00 0.50 Piston Kit 6E7-11631-00-97 STD Diaphragm 16325 Bearing 93306-306V5-00 Watch Our Product Videos