Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket, Thermostat 677-12414-A1 Viewer:639 OEM No.: 677-12414-A1 Similar Number: YAMAHA No.: 677-12414-A0/677-12414-A1 For YAMAHA outboard 8 HP You May Also Be Interested In Gasket Kit 6F5-W0001-20 Lower Unit Gasket Kit 65W-W0001-20-00 Impeller 19210-ZW1-B02 Coil Ignition 584477/0584477