I bought this bike bout a year ago and the previous owner told me i had to have the choke on all the time or it would die. I knew that wasnt right but overlooked it since it ran good. Well I got busy at work and havent rode it in awhile and now it wont run. I cleaned the carb everything looks good but will only start and run for bout 2 or 3 seconds. is this a float prob? need help! Also i did get it it to run for a few min on kickstand but when i leaned it upright it would die. weird. any suggestions would be helpfull!!