Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-10 0.25 Viewer:786 OEM No. : 647-11610-10-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Kit 6G0-11636-00 0.50 Piston Ring 6F5-11610-00-00/6F6-11610-00 STD Piston Kit 397487/0397487 STD Oil Seal 26-822897/822897