Karting??..

The front of the kart is not pushing in the corners whatsoever.. if anything the rear kicks out which I've always been able to counter steer out of but of course that scrubs off momentum and ultimately pisses me off...

If it's loose in rights and lefts, scoot the rear tires in 1/4" and see if that makes it more to your liking. Towards the center line of kart=tight. Away from center line=loose. That choke lever issue, pull the plug and see if it looks like it was a little on the fat side.