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To change the battery in a Harley Davidson Road King, follow these steps:

  1. Ensure that the motorcycle is turned off and the ignition key is removed.
  2. Locate the battery compartment on the Road King. In most models, it is located under the seat, but it may vary depending on the specific year and model.
  3. Use the appropriate tool, such as a wrench or screwdriver, to remove the bolts or fasteners that secure the seat to the motorcycle. Lift the seat carefully and set it aside.
  4. Locate the battery within the battery compartment. It is usually located towards the front or middle of the compartment.
  5. Identify the battery terminals. The positive terminal is marked with a "+" sign and is typically red, while the negative terminal is marked with a "-" sign and is usually black.
  6. Disconnect the negative terminal first. Use a wrench or pliers to loosen the nut or bolt that secures the cable to the negative terminal. Once loose, carefully remove the cable from the terminal and tuck it away to prevent accidental contact.
  7. Repeat the same process for the positive terminal, loosening the nut or bolt and disconnecting the cable from the positive terminal.
  8. Take note of the battery's orientation and any holding straps or brackets that secure it in place.
  9. Remove any straps, brackets, or other fasteners that are holding the battery in place. Carefully lift the battery out of the compartment, making sure not to tip it over or spill any acid.
  10. Dispose of the old battery properly and in accordance with local regulations.
  11. Take the new battery and place it into the battery compartment, ensuring it is oriented correctly.
  12. Reinstall any straps, brackets, or fasteners to secure the new battery in place.
  13. Connect the positive terminal first. Slide the cable onto the positive terminal and tighten the nut or bolt to secure it in place.
  14. Connect the negative terminal next. Slide the cable onto the negative terminal and tighten the nut or bolt to secure it.
  15. Double-check that the battery is securely fastened and all connections are tight.
  16. Retrieve the seat and align it with the mounting points on the motorcycle. Lower the seat into place and secure it with the bolts or fasteners you removed earlier.
  17. Make sure the seat is properly installed and does not move or shift when seated on the motorcycle.
  18. You can now turn on the ignition and start the motorcycle to confirm that the new battery is working correctly.

Please note that these instructions are general guidelines, and the specific steps may vary depending on the year and model of your Harley Davidson Road King. It's always recommended to consult the owner's manual or seek professional assistance if you're unsure or uncomfortable performing the battery replacement yourself.

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