Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-20 0.50 Viewer:795 OEM No. : 647-11610-20-0.50 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Kit 69L-11635-00 0.25 Piston Ring 689-11610-00-00/689-11610-01-00 STD Forward Gear Assembly 43-854496A1/854496A 1(29T) Propeller 676-45941-00-EL/676-45941-62-EL