OK we just bought this bike for my son, it was working great, now it won't start, there is no fire going to ther plug, my hubby checked all the electrical parts and gets a reading.. When we tried starting it with pushing it, the gas was coming out of the exsaust, what could cause this?, we are thinking the CDI, but we do not want to buy one before we are sure.. If only we knew someone with the same bike to try our CDI, anyone have any ideas.. Thanks