If you wish to carry out adjustments for your Vespa Granturismo 200 L then it is usually recommended to have access to a Workshop Manual to use as personal reference in the event you want to know the right way to take out a specific part including Wheel Bearing and match it again in the correct manner.
Vespa Granturismo 200 L Workshop Manuals are able to offer precise diagnostic information with regards to your automobile therefore if something is playing up it can help you work out what the situation is and the best way to fix it. After that you can assess if this can be achieved yourself or if ever the job is just too big you can still book your Granturismo 200 L into a nearby garage.
Vespa Granturismo 200 L manual