If you wish to perform repairs to your Moto Guzzi Mille GT then it will always be a great idea to have a Workshop Manual to use as a guide just in case you want to know easy methods to strip off a certain part such as the Gearbox and install it again in the correct way.
Moto Guzzi Mille GT Workshop Manuals gives you targeted diagnostic info for the car therefore if something is not working it helps you understand what the issue is and the best way to repair it. You will be able to analyse if this can be done by yourself or if ever the job is simply too big you can make a booking for your Mille GT right into a local car garage.
Moto Guzzi Mille GT manual