If you wish to perform repairs on your Beta M4 4T Supermotard then it will always be recommended to own a Workshop Manual to use as personal reference if you need to know techniques to strip off a specific component for example the Door and install it again accurately.
Beta M4 4T Supermotard Workshop Manuals will provide you with specific diagnostic guidelines for your vehicle so if something is broken it helps you figure out what the issue is and how you can correct it. You will be able to determine if this can be done yourself or in the event the job is too big it is possible to book your M4 4T Supermotard right into a local car garage.
Beta M4 4T Supermotard manual