If you choose to undertake fixes for your Jinlun JL 125 C then it is always a good plan to have access to a Workshop Manual to keep just for personal reference should you need to know how you can take out a particular part such as the Clutch and match it again appropriately.
Jinlun JL 125 C Workshop Manuals gives you identifiable diagnostic details on your automobile therefore if something is faulty it helps you work out what the issue is and how to repair it. After that you can assess if this can be achieved by yourself or that the job is just too big you can actually make a booking for your JL 125 C into a local garage.
Jinlun JL 125 C manual