If you choose to perform auto repairs on your own Veli ZQ 150 5 then it is always recommended to own a Workshop Manual to keep just for personal reference just in case you want to know techniques to remove a specific part for example the Brake Pads and install it again safely.
Veli ZQ 150 5 Workshop Manuals provides unique diagnostic information on your vehicle so if something is broken it will help you identify what the situation is and ways to correct it. Then you are able to assess if this can be achieved yourself or if ever the job is simply too big you could make a reservation for your ZQ 150 5 in with a decent garage.
Veli ZQ 150 5 manual