If you want to undertake adjustments on your own Hyosung MS1 125 Exceed then it is usually a good idea to have access to a Workshop Manual for a reference if you want to know tips on how to strip off a particular part for example Exhaust and match it again appropriately.
Hyosung MS1 125 Exceed Workshop Manuals offers you exact diagnostic info for the car so if something is not working it will help you work out what the problem is and the best way to make it better. After that you can decide if this can be done on your own or that the job is too big you could make a booking for your MS1 125 Exceed into a local repair garage.
Hyosung MS1 125 Exceed manual