If you have to conduct auto repairs on your own Moto Guzzi Norge 1200 TL then it is usually a good idea to have a Workshop Manual to keep just for reference just in case you need to know the way to remove a certain part including Brake Pads and install it again in the correct way.
Moto Guzzi Norge 1200 TL Workshop Manuals can offer you detailed diagnostic info for your car so if something is faulty it can help you figure out what the situation is and how you can repair it. After that you can evaluate if this can be done on your own or in the event the job is too big you could book your Norge 1200 TL right into a trusted mechanic.
Moto Guzzi Norge 1200 TL manual