Thanks omfgdotcodotuk! So if I add a K&N free flow filter, 94 main carb jet, and iridium plug, 40 MPH shouldn't be out of the question? I'm trying to keep up with my wife who has a Yamaha Zuma 50 that goes 41 MPH. I live in the States so if anyone has any suggestions as to where a good place is to buy a K&N filter for my scooter that would be great?