How To charge a Harley road king battery?

To charge a Harley Road King battery, first ensure the motorcycle is turned off and the key is removed. Connect a compatible battery charger to the battery terminals, ensuring the positive (red) lead connects to the positive terminal and the negative (black) lead to the negative terminal. Set the charger to the appropriate voltage and amperage for the battery, usually 12 volts, and allow it to charge fully. After charging, disconnect the charger in reverse order, starting with the negative lead.