World el vesba - VESPA S50 - LX50 4V 2009 The new 50cc, four stroke, four valve engine lead to the rediscovery of an engine size which is "legendary" in Vespa history.
2013 Vespa S 50/150 SPORT SE | Top Speed
2009 Vespa S50
2014 Vespa S 50 4V | Top Speed
2013 Vespa S50 Scooter Review
2013 Vespa S 50 4V | Top Speed
My new Vespa S50 4 valvole - YouTube
VESPA S 50 4V specs - 2010, 2011 - autoevolution
Modern Vespa : My 2012 S50
Technical sheet of the scooter Vespa 50 2 50CC - 50factory.com