If you are a Vespa enthusiast and have some familiarity with mechanics you will certainly have to replace one of the bearings in the Vespa's engine block, either the main bearing or the wheel hub or even the clutch bearing.
In this very beautiful and gentle video, a very good mechanic teaches you some tricks to remove Vespa engine bearings without having to use extractors or specific heaters, all the result of experience and cunning:
Through Youtube
