So i put a new taillight bulb in and she started up, now i have a new issue...I can get her started on blocks but she wont stay running as soon as the tire slows down she cuts out.. and i can only get her running on blocks, when i try on the ground it wont start, it did once but didnt sound right and as soon as i laid off the accelerator she cut out..any ideas?? timing?? does it just need a choke? maybe too much air idk