Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6F5-11610-00-00/6F6-11610-00 STD Viewer:886 OEM No. : 6F5-11610-00-00/6F6-11610-00-STD For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Ring 66T-11603-00 STD Piston Kit 646-11631-01 STD Anode 663-45251-00 Fuel Filter 15412-93J10-000