If you need to accomplish maintenance tasks on your own Daelim NS 125 DLX then it is usually a good plan to have access to a Workshop Manual to use as personal reference should you want to know tips to remove a specific component for example the Drive Shaft and install it again appropriately.
Daelim NS 125 DLX Workshop Manuals will give you identifiable diagnostic facts on your car or truck therefore if something is faulty it can help you work out what the issue is and how you can correct it. Then you are able to assess if you can do this yourself or if the job is just too big you can book your NS 125 DLX right into a suitable garage.
Daelim NS 125 DLX manual