2009 VESPA LX50 The Vespa LX50 is more than 60 years in the making. Witness the evolution of style,comfort, and performance with the core values of Vespa that never change: eco-friendly engineering, passion, individualism, and integrity. The 50cc single cylinder four-stroke engine, has a max speed of 39mph, and gas mileage of 95-100mpg. This is classed as a motor driven cycle, you do not need a motorcycle indorsment to drive the Vespa LX50.