If you wish to undertake adjustments on your own MBK Skyliner 125 then it is usually recommended to have a Workshop Manual to use as reference in the event that you want to know the best ways to take out a specific part for example Wheel and install it again in the correct way.
MBK Skyliner 125 Workshop Manuals can offer you precise diagnostic guides for the vehicle therefore if something is faulty it helps you understand what the issue is and methods to repair it. You will be able to decide if you can do this on your own or in case the job is just too big you could make a reservation for your Skyliner 125 in with a local mechanic.
MBK Skyliner 125 manual