If you need to carry out auto repairs to your Derbi Mulhacen Cafe 125 then it is usually recommended to own a Workshop Manual for personal reference just in case you need to know how you can take off a specific part much like the Drive Shaft and fit it again in the right way.
Derbi Mulhacen Cafe 125 Workshop Manuals are able to offer special diagnostic information on your vehicle therefore if something is playing up it can help you find out what the problem is and the way to correct it. After that you can evaluate if this can be achieved yourself or if the job is too big you can actually make a reservation for your Mulhacen Cafe 125 in to a trusted friendly mechanic.
Derbi Mulhacen Cafe 125 manual