Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6F5-11610-20/6F6-11610-20-0.50 Viewer:816 OEM No. : 6F5-11610-20/6F6-11610-20-0.50 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6H3-11631-09 STD Piston Kit 64D-11642-00 STD Key, Impeller 332-65022-0/332650220M Fuel Pipe Joint Complete 6G1-24305-01-00