If you want to perform maintenance for your MBK Cityliner 125 then it is always a good plan to own a Workshop Manual to use as a reference in the event you need to know tips to strip off a specific component such as the Gearbox and install it again successfully.
MBK Cityliner 125 Workshop Manuals are able to offer distinct diagnostic details on your automobile so if something is not working it will help you identify what the situation is and how to correct it. You can then decide if this can be achieved by yourself or in the event the job is just too big you can make a reservation for your Cityliner 125 in to a suitable repair garage.
MBK Cityliner 125 manual