Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-10 0.25 Viewer:798 OEM No. : 647-11610-10-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Kit 688-11631-81 STD Piston Kit 6F8-11631-00 STD Motor Assembly 62Y-43880-02-00 Piston Ring 3F3-00014-2/3F3000142M 0.50