If you wish to conduct fixes to your Hyosung Karion RT 125 then it is usually a good idea to own a Workshop Manual for a reference in the event you want to know tips on how to take out a particular part for example Gearbox and install it again in the correct manner.
Hyosung Karion RT 125 Workshop Manuals can provide special diagnostic guidelines with regards to your vehicle therefore if something is faulty it can help you determine what the situation is and how to correct it. After that you can evaluate if you can do this yourself or in the event the job is simply too big you could make a booking for your Karion RT 125 into a trusted car garage.
Hyosung Karion RT 125 manual