If you want to perform auto repairs on your Hyosung Karion 125 then it is usually recommended to have access to a Workshop Manual to keep just for reference should you need to know tips to take off a specific component for example, the Brake Pads and install it again appropriately.
Hyosung Karion 125 Workshop Manuals are able to offer precise diagnostic wisdom with regards to your vehicle therefore if something is playing up it can help you work out what the problem is and some ways to fix it. After that you can decide if this can be done yourself or that the job is too big you can make a reservation for your Karion 125 into a suitable friendly mechanic.
Hyosung Karion 125 manual