If you wish to do repairs on your Skyteam ST200 then it is usually a good idea to own a Workshop Manual to use as personal reference in case you need to know the right way to take out a certain component including Wheel and fit it again perfectly.
Skyteam ST200 Workshop Manuals offers you particular diagnostic guidelines with regards to your car therefore if something is broken it can help you determine what the issue is and the way to make it better. You can then assess if this can be achieved yourself or if the job is too big you could book your ST200 in to a decent car garage.
Skyteam ST200 manual