If you wish to carry out repairs for your Jawa 350 Style then it is usually recommended to have access to a Workshop Manual for reference just in case you need to know the best ways to take out a certain component for example Wheel Bearing and install it again appropriately.
Jawa 350 Style Workshop Manuals will give distinct diagnostic guides for your car therefore if something is faulty it will help you identify what the issue is and ways to fix it. You can then decide if you can do this on your own or that the job is just too big it is possible to make a reservation for your 350 Style in with a decent repair garage.
Jawa 350 Style manual