Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket 677-13621-00 Viewer:747 OEM No.: 677-13621-00 For YAMAHA outboard 8 HP You May Also Be Interested In Gasket 6G5-14483-00-00 Power Head Gasket Kit 682-W0001-03-00 Thermostat 66M-12411-00-00/66M-12411-01-00 Piston Ring 6J8-11601-11-00 0.25