If you have to conduct repairs on your own Gilera Zulu 50 then it will always be a good idea to have access to a Workshop Manual to use as a guide in the event that you need to know techniques to take off a certain component like the Brake Pads and fit it again the right way.
Gilera Zulu 50 Workshop Manuals offers clear detailed diagnostic information for the vehicle therefore if something is not working it helps you identify what the issue is and ways to correct it. After that you can analyse if this can be done on your own or that the job is just too big you could make a booking for your Zulu 50 right into a local friendly mechanic.
Gilera Zulu 50 manual