Are you getting any CEL's? Do you have Buelltooth to get an error codes? Or jump the wire the old fashioned way?
Here are some guesses - Bike running too hot? Can you measure cylinder temps? Is your fan working properly? https://www.buellxb.com/forum/showth...rheating/page2
Lunaticfringe is our go-to guru https://www.buellxb.com/forum/showth...in-hot-weather
Some folks think it's the voltage regulator https://www.buellxb.com/forum/showth...-concern/page2