If you choose to undertake repairs to your Kymco 150 Grand King then it will always be recommended to have a Workshop Manual to keep just for a reference in the event you need to know the best ways to take out a particular part like the Dashboard and match it again safely.
Kymco 150 Grand King Workshop Manuals are able to offer specific diagnostic details for the automobile therefore if something is playing up it will help you determine what the problem is and tips to repair it. You will be able to assess if this can be done by yourself or in case the job is too big you can make a reservation for your 150 Grand King in with a suitable car garage.
Kymco 150 Grand King manual