I just recently bought a pocket bike and the guy i bought it off of said all it needed was a new spark plug so i got one put it in fired it up it ran for 5 sec or so then i shut it off then when i filled it it poured gas out the over flo tube in the carb so i took the carb apart because i assumed the float was sticking, then i bent the forks up a bit and that stopped the leak but now it wont start any more?