Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 647-11610-10 0.25 Viewer:785 OEM No. : 647-11610-10-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Pin 676-11633-00-00 Piston Kit 664-11636-00 0.50 Oil Seal 93101-09M42-00 Carburetor Repair Kit 435677/0435677