Replacement Keys
Find the four-digit key number stamped on the back of the key opposite the H-D logo. Write the key number in the space provided at the front of this manual. With that number, your Harley-Davidson dealer can order a replacement.
Removal
  1. See Figure 1. Rotate the lock cover to access the key lock.
  2. Insert the key.
  3. Hold the fuel filler cap in place. Turn the key counterclockwise until it stops.
  4. Turn key back to its original position. Remove the key.
  5. Turn cap counterclockwise until resistance is felt. Continue to turn cap counterclockwise to remove cap.
Installation
  1. See Figure 1. Insert the key into the lock.
  2. To make sure that the cap is unlocked, firmly, hold the cap. Turn the key counterclockwise until it stops.
  3. Allow the key to return to a neutral position. Remove the key.
    4. NOTE
    When installing the fuel cap, rotate the cap one full turn past the audible click.
  4. Turn the cap clockwise to install the fuel cap.
  5. Close the lock cover.
Figure 1. Locking Fuel Filler Cap