Remove the seat.
Locate the battery compartment. It's a plastic box located on the right hand side of the motorcycle, near the rear wheel.
Remove the battery cover. It's secured by two bolts.
Disconnect the negative terminal (black) first, then the positive terminal (red).
Loosen the battery hold down clamp
Remove the battery.
Place the new battery in the compartment.
Connect the positive terminal first, then the negative terminal.
Replace the battery cover and bolts.
Replace the seat.