If you need to do adjustments on your own Puch 350 HWE Safari then it is usually a great idea to own a Workshop Manual to use as reference in case that you want to know ways to remove a specific component for instance the Exhaust and fit it again adequately.
Puch 350 HWE Safari Workshop Manuals will give unique diagnostic guides for the car or truck so if something is broken it will help you find out what the situation is and some ways to make it better. You will be able to evaluate if this can be achieved yourself or if the job is just too big you could make a reservation for your 350 HWE Safari into a suitable mechanic.
Puch 350 HWE Safari manual