If you wish to perform maintenance tasks for your Azel 250 GS then it will always be a good idea to possess a Workshop Manual to use as a reference if you want to know the way to take off a particular part for example the Brake Pads and install it again appropriately.
Azel 250 GS Workshop Manuals offers clear precise diagnostic details on your automobile therefore if something is broken it will help you identify what the situation is and easy methods to make it better. After that you can analyse if this can be done yourself or that the job is just too big you can actually make a booking for your 250 GS in to a nearby repair garage.
Azel 250 GS manual