Just an update: I replaced the plug and all is well. Hopefully that was all that is wrong. The Twin Air is going in today and the KQ will be ready to ride this weekend. I don't know what exactly caused the stock plug to get messed up other than the obvious reason of running rich, but it was not hard to change at all!

 

Glad to hear it was the easy to fix. When you get some type of fuel control on there and it is set correctly you should not have the plug problem as much.
Thanks
David