If you have to do maintenance tasks on your Honda XLR 125R then it is always a good idea to have a Workshop Manual for a reference in the event you need to know proven methods to remove a specific component much like the Door and fit it again accordingly.
Honda XLR 125R Workshop Manuals can offer you targeted diagnostic guides on your vehicle therefore if something is playing up it will help you find out what the problem is and how you can repair it. You will be able to analyse if you can do this by yourself or if the job is simply too big you can make a reservation for your XLR 125R right into a nearby friendly mechanic.
Honda XLR 125R manual