Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6F5-11610-00-00/6F6-11610-00 STD Viewer:899 OEM No. : 6F5-11610-00-00/6F6-11610-00-STD For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6L1-11642-11 STD Piston Kit 688-11631-03 STD Gasket, Head 329103/0329103 Cylinder Liner Sleeve 6K5-10935-00/6K5-11312-00