If you wish to conduct maintenance on your Motobi Sport Special 125 then it is always a good plan to own a Workshop Manual to use as personal reference if you need to know how to take out a particular part much like the Drive Shaft and match it again in the correct manner.
Motobi Sport Special 125 Workshop Manuals provide you with precise diagnostic guides for the car so if something is playing up it can help you find out what the situation is and how you can make it better. After that you can analyse if this can be achieved on your own or if the job is just too big you can still book your Sport Special 125 into a suitable mechanic.
Motobi Sport Special 125 manual