Originally Posted by Home-made J

thanks for the torque specs on the head bolts...I'm gonna do some porting today and didn't want to over-torque...Thanks for the drill info. I might still drill the stock carb, but my buddy used to have a pocketbike/scooter shop and wants to give me a tuned pipe and performance carb to play with...the biggest upgrade I've done so far is getting a 34T sprocket from Kings! Went from 32mph top speed (at about 6k rpm) to 40 mph at 55k rpm, but I know with some porting and ignition I could get to 45mph no problem.