If you wish to undertake maintenance tasks on your own Jinlun JL 150 5 then it will always be a good plan to have access to a Workshop Manual for reference if perhaps you want to know the right way to strip off a specific component much like the Gearbox and match it again in the right way.
Jinlun JL 150 5 Workshop Manuals will give specific diagnostic wisdom for the automobile therefore if something is not working it will help you understand what the issue is and ways to fix it. You will be able to analyse if this can be achieved yourself or that the job is just too big you are able to book your JL 150 5 in with a local mechanic.
Jinlun JL 150 5 manual