If you choose to perform fixes on your own MBK Cityliner 125 then it is usually a good idea to have access to a Workshop Manual to keep just for personal reference in the event that you need to know proven methods to remove a certain component for example the Brake Pads and install it again in the correct way.
MBK Cityliner 125 Workshop Manuals will give targeted diagnostic details with regards to your car or truck so if something is not working it helps you figure out what the situation is and tips to make it better. You will be able to determine if you can do this yourself or that the job is simply too big you can make a reservation for your Cityliner 125 in with a decent friendly mechanic.
MBK Cityliner 125 manual