Shop by Brand Yamaha OutboardGasket/Gasket Kit Back Gasket, Thermostat 677-12414-A1 Viewer:640 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 688-14198-A1-00 Gasket, Upper Casing 6G5-45113-A0-00/6G5-45113-A1-00 Gasket, Exhaust Plate to Driveshaft Housing 27-812866/812866 Gear, Reverse 318304/0318304(29T)