I recently purchased a PW 50 for my kids to learn how to ride on and I am having a problem with getting it to idle. I purchased it used and I knew that it needed some work on the carb because it was leaking fuel out of the bowl vent hose. I removed and cleaned the carb with carb cleaner and compressed air and that fixed the float problem and it doesnt leak now but I can not get it to idle. The filter is clean, new plug and it runs great from 1/4 thru w/o. I have adjusted the a/f screw in and out along with the idle screw with no luck. Any info is appreciated. Thanks!