Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6H4-11610-10-00 0.25 Viewer:1036 OEM No. : 6H4-11610-10-00-0.25 For YAMAHA Outboard 40, 50 HP You May Also Be Interested In Piston Ring 61U-11601-20 0.50 Piston Kit 6R5-11636-01 0.50 Plug, Drain 09248-10008-000 Carburetor Repair Kit 6E5-W0093-06-00