If you wish to execute auto repairs to your Vespa LX 50 4T then it is usually a great idea to have access to a Workshop Manual for a guide if you want to know ways to take off a specific part for instance the Exhaust and install it again effectively.
Vespa LX 50 4T Workshop Manuals will give special diagnostic guides with regards to your automobile therefore if something is playing up it will help you understand what the issue is and methods to repair it. You can then evaluate if this can be done yourself or if the job is just too big you can still make a booking for your LX 50 4T right into a decent repair garage.
Vespa LX 50 4T manual