Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6F6-11636-00 0.05 Viewer:1147 OEM No. : 6F6-11636-00-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6H4-11636-09 0.50 Piston Kit 688-11631-03 STD Oil Seal 3F0-01215-0/3F0012150M Power Head Gasket Set 27-898101928/898101928