No instructions? I'm Shocked! LOL well there is a screw for the idle adjust and then another screw for .... well here read this:
http://www.ct70honda.com/Tuning.html
There are also all sorts of sites telling you how to tune those little carbs so use the Google! You got some reading to do.
![Smile](images/smilies/smile.gif)
When you give up you can send it to me and I can try it out. You just gotta monkey around with it some and you might be able to get it working. I prefer the stock carb and the stock settings. You can't go wrong with that but with your new one you will have to experiment for a while to get it going.