Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6F5-11636-00 0.50 Viewer:867 OEM No. : 6F5-11636-00-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6G0-11636-00 0.50 Piston Kit 6H4-11635-09 0.25 Throttle Cable 6E0-26301-00-00/6E0-26301-01-00 Bearing 93311-632U1-00/93311-63223