Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6H4-11610-10-00 0.25 Viewer:1177 OEM No. : 6H4-11610-10-00-0.25 For YAMAHA Outboard 40, 50 HP You May Also Be Interested In Piston Ring 6G0-11610-10 0.25 Piston Kit 675-11631-00 STD Gearcase 1600-880686T55/880686T55 Bolt 90109-09M60-00