If you wish to conduct maintenance on your own Veli KING50 then it is usually a good idea to possess a Workshop Manual to use as reference in case you need to know the best ways to strip off a certain component such as the Wheel Bearing and fit it again efficiently.
Veli KING50 Workshop Manuals offers you specified diagnostic info for the car therefore if something is wrong it helps you find out what the issue is and ways to fix it. You can then analyse if you can do this on your own or in the event the job is just too big you are able to make a reservation for your KING50 in with a nearby repair garage.
Veli KING50 manual