If you choose to do maintenance for your IZH Jupiter 3 then it is always a good idea to have access to a Workshop Manual to use as personal reference in case that you need to know simple methods to take off a certain component including Clutch and fit it again accurately.
IZH Jupiter 3 Workshop Manuals can offer you particular diagnostic guides with regards to your car or truck therefore if something is broken it will help you understand what the issue is and how you can correct it. After that you can analyse if this can be achieved yourself or if the job is too big you can book your Jupiter 3 in to a local mechanic.
IZH Jupiter 3 manual