I pulled my carb. It was spotless. Unfortunately I just decided to go back to Tractor Supply and swap it out. They had sold the 6 remaining units already. I got a full refund and I'm glad. You shouldn't have to diagnose a major flaw from the factory. The manager told me over half the bikes were...
Just bought 1 from Tractor Supply and after driving for 30 minutes having the same issue. When not on the throttle it's idling to the point of acting like it's on half throttle. I guess I'll start tinkering with the clutch spring.