How to Change the Battery on a Harley Softail

Written by jim murkot sr.
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How to Change the Battery on a Harley Softail
Changing the battery in a Harley-Davidson Softail should take about 30 to 45 minutes. (Jupiterimages/ Images)

Changing the battery in a Harley-Davidson Softail is a relatively simple matter of removing the seat and disconnecting the battery terminals. It should take no more than 30 to 45 minutes to complete the process.

Skill level:
Moderately Easy

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Things you need

  • Phillips-tip screwdriver
  • SAE hex wrench set
  • 10-mm open-end wrench

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    Remove the Seat

  1. 1

    Turn off the ignition. Unscrew the seat fastener located on the top of the rear fender with a Phillips-tip screwdriver.

  2. 2

    Loosen and remove the two large bolts located on the lower left and right undersides of the seat with a large SAE hex wrench.

  3. 3

    Slide the seat toward the rear of the bike while lifting it up and away.

    Change the Battery

  1. 1

    Unbolt the negative battery cable with a 10-mm open-ended wrench. Do the same with the positive terminal.

  2. 2

    Disconnect the rubber battery strap. Lift the battery out of its tray.

  3. 3

    Install a new battery in reverse order.

Tips and warnings

  • Apply axle grease to the battery terminals to prevent corrosion.

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