If you choose to conduct maintenance on your own Gilera DNA 125 then it is usually a good idea to own a Workshop Manual to keep just for a reference in case you want to know tips on how to strip off a specific part including Clutch and install it again correctly.
Gilera DNA 125 Workshop Manuals offers clear special diagnostic wisdom for your car therefore if something is playing up it can help you identify what the situation is and how you can resolve it. You will be able to analyse if you can do this yourself or in case the job is simply too big it is possible to book your DNA 125 right into a suitable garage.
Gilera DNA 125 manual