If you choose to accomplish adjustments on your own Moto Guzzi Nevada 750 Club then it is always recommended to have access to a Workshop Manual to use as a reference in case you want to know the right way to take out a certain component much like the Gearbox and install it again effectively.
Moto Guzzi Nevada 750 Club Workshop Manuals gives you targeted diagnostic details for your vehicle so if something is faulty it will help you figure out what the situation is and how to make it better. You will be able to determine if this can be done yourself or in case the job is simply too big you can make a booking for your Nevada 750 Club right into a local mechanic.
Moto Guzzi Nevada 750 Club manual