If you have to do adjustments on your Veli VL150 19 then it will always be a good plan to own a Workshop Manual for a reference in the event you need to know techniques to take off a specific component such as the Brake Discs and fit it again successfully.
Veli VL150 19 Workshop Manuals provides specific diagnostic guides on your car therefore if something is faulty it will help you identify what the problem is and tips on how to make it better. Then you are able to decide if this can be done by yourself or if the job is simply too big you are able to make a reservation for your VL150 19 right into a suitable repair garage.
Veli VL150 19 manual