i gots me a pretty darn fast little ciao. for a 62cc dr kit anyway. i am hitting 48 (iphone) w/ the calibratta on it. i just got another ciao, and i like to run a mag wheel on rigids so i got that 17" 5 star off treats.
i plan to put the 17 on my fast ciao. i am thinking this may get me to around 50. or just make it top out at a lower rpm.
i figure i'll be pretty bad ass if i can get a stock case ciao to 50 on a cheapo kit. still does wheelies, even w/ the big simo on there.
my secret: don't go all the way back when you match the top transfers, just make little dips in the mating surface for the holes in the piston to match up with.