Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-10 0.25 Viewer:800 OEM No. : 647-11610-10-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Kit 64D-11636-00 0.50 Piston Kit 6R5-11645-11 0.25 Sleeve, Drive Shaft 6G5-45536-01-00 Impeller 6G0-44352-00-00