If you wish to undertake fixes on your own Benelli 125 2 C then it is always a good plan to have access to a Workshop Manual to keep just for a guide in the event you need to know how to take off a particular component such as the Wheel and match it again effectively.
Benelli 125 2 C Workshop Manuals offers you special diagnostic guides on your vehicle so if something is faulty it can help you discover what the issue is and tips to correct it. You will be able to assess if you can do this yourself or that the job is too big you can make a reservation for your 125 2 C in to a suitable friendly mechanic.
Benelli 125 2 C manual