If you want to undertake maintenance to your Moto Guzzi V 65 II then it will always be a good idea to have access to a Workshop Manual to keep just for reference in the event you want to know how you can take out a certain part such as the Door and install it again accordingly.
Moto Guzzi V 65 II Workshop Manuals can offer you detailed diagnostic facts on your car therefore if something is playing up it will help you find out what the situation is and how to correct it. You can then assess if this can be done by yourself or if the job is just too big you can actually make a booking for your V 65 II into a trusted repair garage.
Moto Guzzi V 65 II manual