Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6F6-11636-00 0.05 Viewer:1129 OEM No. : 6F6-11636-00-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Pin 6K7-11633-00-00 Piston Kit 6L1-11642-11 STD Gasket 27-8037281/8037281 CDI Unit Assembly 6E5-85540-00-00