If you wish to do fixes on your own Benelli 350 RS then it is always a good plan to have access to a Workshop Manual for personal reference in the event that you need to know the way to strip off a certain component such as the Gearbox and match it again efficiently.
Benelli 350 RS Workshop Manuals will provide you with targeted diagnostic information for the vehicle so if something is faulty it can help you discover what the situation is and some ways to fix it. After that you can evaluate if this can be done on your own or if ever the job is simply too big it is possible to make a reservation for your 350 RS in with a trusted repair garage.
Benelli 350 RS manual