Cuarta corta:

hola !!!

un texto muy bien ilustrado para quien quiera ententer como funcionan las marchas de la vespa .....

There is a larger gap between the P200E 3rd and 4th gears than any other gear gap. This means that with an expansion chamber you may not have the power to reach the type of RPMs the pipe needs to perform well in 4th gear. Surprisingly if you make the gap smaller you may actually have a faster top speed.

http://www.scooterhelp.com/tuning/vespa.gearing.html

Tras la teoria espero este finde enseñaros como va =)

Let's see