2012 Gator CX help

[Ocalaguy]

Hey, gator fans..... My gator cx acts like it's running out of gas. I can limp back to the garage by pulling the choke out slightly and put put back.When the gas tank is full it runs great. When I use about 1/4 of the gas it acts up. When I fill it back up (maybe a gallon's worth) it runs great again.I checked for water in the tank .... zeroI replaced the feed tube that goes into the tankI replaced the air filterI replaced the fuel filterWhen it's acting up I can keep it running by pulling the choke and watching the fuel filter and it's completely full.Does anyone have any ideas about what's going on?Thank you for any help you can give me.