Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6F5-11636-00 0.50 Viewer:889 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 66T-11636-00 0.50 Piston Ring 61N-11605-00-00 0.50 Needle Valve Assembly 6J0-14390-14-00