Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6F5-11610-00-00/6F6-11610-00 STD Viewer:900 OEM No. : 6F5-11610-00-00/6F6-11610-00-STD For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Ring 6E5-11610-00-00 STD Piston Kit 689-11636-00 0.50 Power Head Gasket Set 3A1-87121-0/3A1871210M Gasket, Upper Casing 696-45113-00-00/696-45113-A0-00