Genuine Harley Fuel Gas Tank Set Emblems Badges OEM. These Are 100% OEM Harley Fuel /Gas Tank Emblems. Touring, Softail, Dyna & Sportster. Directions on how to apply Emblems. uine Harley Davidson. Clean mounting surface well with Solvent remove any oil or wax, Be sure it is in a Warm place or even Better in the hot sun, Be sure the emblem lays on the tank perfectly before you stick it, This will keep the emblem from Springing away from the Tank.