If you choose to perform repairs for your Gilera NGR 250 then it is always a great idea to own a Workshop Manual to use as a guide just in case you need to know tips on how to take off a particular part like the Brake Pads and fit it again in the correct manner.
Gilera NGR 250 Workshop Manuals will give you identifiable diagnostic info for your automobile so if something is wrong it can help you ascertain what the issue is and some ways to correct it. After that you can decide if this can be done yourself or in the event the job is simply too big you are able to make a reservation for your NGR 250 into a suitable garage.
Gilera NGR 250 manual