Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-20 0.50 Viewer:788 OEM No. : 647-11610-20-0.50 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Kit 677-11631-00-97 STD Piston Ring 6G0-11610-10 0.25 Liner, Pump Case 348-65011-0/348650110M Water Pump Impeller Kit 06192-ZV1-C00