If you choose to do fixes on your Veli 150 8 then it is always 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 remove a particular component for instance the Drive Shaft and fit it again successfully.
Veli 150 8 Workshop Manuals offers you specific diagnostic information on your automobile therefore if something is broken it will help you find out what the problem is and methods to repair it. After that you can determine if this can be achieved on your own or that the job is too big you could make a reservation for your 150 8 in with a decent repair garage.
Veli 150 8 manual