If you wish to execute maintenance tasks on your own Veli ZQ 150 4 II then it is always a good plan to own a Workshop Manual to use as a guide in case you want to know how you can remove a specific component for example Clutch and match it again properly.
Veli ZQ 150 4 II Workshop Manuals will provide you with identifiable diagnostic wisdom for the vehicle therefore if something is not working it will help you identify what the situation is and methods to resolve it. After that you can assess if this can be achieved on your own or in case the job is simply too big you can make a booking for your ZQ 150 4 II right into a local repair garage.
Veli ZQ 150 4 II manual