If you want to accomplish maintenance tasks for your Gilera Zulu 50 then it is always a good plan to have a Workshop Manual for reference if you need to know tips on how to strip off a specific part much like the Gearbox and install it again adequately.
Gilera Zulu 50 Workshop Manuals offers clear precise diagnostic guidelines for your vehicle therefore if something is broken it helps you ascertain what the situation is and easy methods to fix it. After that you can analyse if this can be achieved by yourself or if the job is just too big you can make a booking for your Zulu 50 in with a decent friendly mechanic.
Gilera Zulu 50 manual