If you wish to carry out maintenance tasks on your Skyteam ST250 SM then it is usually recommended to have access to a Workshop Manual to use as a guide if perhaps you need to know ways to strip off a certain part for example, the Drive Shaft and match it again in the correct way.
Skyteam ST250 SM Workshop Manuals provide you with distinct diagnostic facts for your vehicle so if something is not working it helps you understand what the issue is and methods to make it better. You can then assess if this can be done yourself or if ever the job is too big you can make a booking for your ST250 SM in to a trusted garage.
Skyteam ST250 SM manual