Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6F5-11610-10/6F6-11610-10 0.25 Viewer:1195 OEM No. : 6F5-11610-10/6F6-11610-10-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Pin 663-11633-00-00 Piston Kit 6F5-11635-00 0.25 Seal 6H3-45127-00-00 Gasket 27-803508016/803508016 Watch Our Product Videos