This is a very simple plug and play solution to advance the timing and remove that rev limiter, resulting in bit better acceleration and much better top speed.
FITS ALL VESPA CARBURETED ( For '05-'10 Vespa LX 50 and '07-'10 Piaggio Fly 50 both 2 and 4 valve) AND APRILIA SR50 MOTARD.
VERIFY THE PLUG IS THE SAME AS YOUR STOCK CDI. PICTURE ABOVE.
