If you need to carry out repairs for your Derbi GP1 then it is always recommended to possess a Workshop Manual to keep just for a reference should you need to know easy methods to strip off a particular part for example Wheel Bearing and install it again safely.
Derbi GP1 Workshop Manuals offers you exact diagnostic facts with regards to your automobile therefore if something is wrong it helps you discover what the issue is and ways to resolve it. You will be able to determine if this can be achieved on your own or in case the job is simply too big you can book your GP1 right into a nearby car garage.
Derbi GP1 manual