If you wish to conduct fixes on your own Veli VL50 C then it is usually a good idea to possess a Workshop Manual to use as a reference if perhaps you want to know the best ways to remove a particular component much like the Exhaust and install it again accordingly.
Veli VL50 C Workshop Manuals offers clear special diagnostic guidelines on your automobile therefore if something is faulty it will help you work out what the problem is and easy methods to correct it. Then you are able to determine if you can do this by yourself or if ever the job is simply too big you could book your VL50 C right into a nearby friendly mechanic.
Veli VL50 C manual