Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Pin 6F5-11633-00 Viewer:831 OEM No. : 6F5-11633-00 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6L1-11636-01 0.50 Piston Kit 6F6-11631-00 STD Water Pump Impeller Kit 06192-ZV1-C00 Thrust Holder, Propeller 362-64231-0/362642310M