Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-00-00 STD Viewer:731 OEM No. : 647-11610-00-00-STD For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Ring 688-11610-10 0.25 Piston Kit 6F5-11636-00 0.50 Spacer, Thrust 23-8M0064306/8M0064306 O-Ring 09280-22019