Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-00-00 STD Viewer:719 OEM No. : 647-11610-00-00-STD For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Ring 6H4-11610-20-00 0.50 Piston Ring 6E5-11610-00-00 STD Water Pump Repair Kit 6AW-W0078-00-00 Shim 663-45577-01-40