Hello everybody,

My name is JC and I live in France so my english is very bad (sorry !) but I try and I need you help !!!
So I want kitting my VESPA LX50 4-Stroke with the kit 80cc of Malossi, I have just one question for you (for the moment):

Is it necessary to change my main jet of carburetor when I installing my kit 80cc ???
If yes What size of main jet I need to put in carburetor ???

I hope so you know me !!! Thank you for all