Modern Vespa

Hello post about my vespa s 125cc that did not want to start when engine it's hot if you want to read the full story is here Help with my Vespa s 125 cc 2010 (Post 2743621) I decided to try to change the spark plug myself and while i waiting for parts I inspected the engine M681M injector engine ..but I found that cable hanging its just a rubber tube one end goes to the back of the scooter behind the tank like going to the lights but the other end just it's loose facing to the floor lights are working but no idea what it's that cable for help please [/url]

I'm guessing fuel tank vent.

Correct! These scooters don't have the Evap crap, just a vent tube that runs from the LHS of the filler neck across to the RHS of the scoot, then down to just below the scooter body. This way fuel shouldn't spill out if the scooter goes on its side, whether to the left or to the right.

Thanks for your help brilliant !