If you need to perform maintenance on your own Moto Guzzi V 35 then it is always a good idea to have a Workshop Manual to keep just for a reference if perhaps you want to know how to strip off a certain part much like the Door and install it again successfully.
Moto Guzzi V 35 Workshop Manuals gives you targeted diagnostic facts on your vehicle so if something is broken it helps you identify what the situation is and how you can correct it. You will be able to determine if this can be achieved on your own or that the job is too big you can actually make a reservation for your V 35 into a suitable car garage.
Moto Guzzi V 35 manual