i have a 2005 suzuki ozark and it was loading up after idling and we took the carb apart and it was all messed up so i looked online for one and i found a used one on ebay and it came in today and we cleaned it and put it on and it ran good for about a hour and a half then wouldnt run full throttle so we took it apart again and now it wont even idle without somebody pulling up on the carb slide and the carb slide dont move when you give it gas and im out of ideas

 

sounds like you need to tune it.