If you have to undertake repairs to your Derbi Mulhacen 125 then it will always be a good idea to have a Workshop Manual to keep just for a reference in the event you need to know the right way to strip off a certain component including Exhaust and install it again perfectly.
Derbi Mulhacen 125 Workshop Manuals offers you unique diagnostic guides with regards to your vehicle therefore if something is not working it will help you understand what the problem is and some ways to correct it. You can then determine if this can be achieved by yourself or in the event the job is just too big you can make a booking for your Mulhacen 125 in with a suitable garage.
Derbi Mulhacen 125 manual