If you have to conduct maintenance on your own Sym Jet Euro 50 then it will always be recommended to have a Workshop Manual to use as reference if you need to know the best way to strip off a certain part for example Wheel Bearing and match it again correctly.
Sym Jet Euro 50 Workshop Manuals offers clear specific diagnostic guidelines for your automobile therefore if something is playing up it will help you determine what the issue is and how you can make it better. You can then evaluate if you can do this on your own or that the job is simply too big you could make a booking for your Jet Euro 50 in with a nearby garage.
Sym Jet Euro 50 manual