If you want to do fixes for your Moto Guzzi V11 Le Mans then it is always a great idea to have access to a Workshop Manual to keep just for personal reference just in case you want to know how you can remove a certain component much like the Exhaust and fit it again efficiently.
Moto Guzzi V11 Le Mans Workshop Manuals will give you targeted diagnostic guidelines on your automobile so if something is not working it will help you find out what the situation is and some ways to make it better. You will be able to evaluate if you can do this on your own or if ever the job is too big you could make a booking for your V11 Le Mans in to a decent repair garage.
Moto Guzzi V11 Le Mans manual