If you want to conduct maintenance on your own Gilera Zulu 50 then it will always be recommended to have a Workshop Manual for personal reference in the event that you need to know the best ways to remove a specific component including Wheel Bearing and fit it again properly.
Gilera Zulu 50 Workshop Manuals can offer you certain diagnostic facts for the car or truck so if something is playing up it helps you discover what the problem is and tips on how to resolve it. After that you can decide if you can do this by yourself or if the job is just too big you can still make a reservation for your Zulu 50 into a suitable friendly mechanic.
Gilera Zulu 50 manual