Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6F5-11610-00-00/6F6-11610-00 STD Viewer:885 OEM No. : 6F5-11610-00-00/6F6-11610-00-STD For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Ring 656-11610-11 0.25 Piston Ring 6H4-11601-10 0.25 Gasket, Exhaust Outer Cover 6L2-41114-A1-00 Gasket, Cylinder Head 67F-11181-03-00