66/80cc

Hi guys my name is Luca and I was wondering what kit I should get for the 66cc 2 stroke engine kit. I live in canada Also there are so many kits like I am truly confused on which one to buy any suggestions. My budget is about 200 cad or 160 us on the kit. Also which bike should I get I don't...

I, built a bike for a guy, ok, now he knows how to ride it get it going. The black plastic barrel in the carb seems to get stuck. I know now it goes correctly only one way, but it seems that it is "jumping out of the guides" that keep it moving freely, up and down. Anyone out there having the...