Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 677-11635-00 0.25 Viewer:951 OEM No. : 677-11635-00-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Ring 656-11610-22 0.50 Piston Pin 6E5-11633-00 Lever, Clamp 6F5-42815-01-4D Gasket Set 11400-94818-000