If you want to undertake fixes on your Adly Cat 125D then it is usually recommended to have a Workshop Manual to use as a guide in case that you need to know tips on how to take off a specific component for instance the Drive Shaft and fit it again in the correct manner.
Adly Cat 125D Workshop Manuals offers you particular diagnostic information for your car or truck so if something is not working it will help you understand what the problem is and tips on how to fix it. After that you can analyse if this can be done on your own or in the event the job is simply too big you could make a reservation for your Cat 125D into a suitable repair garage.
Adly Cat 125D manual