Hello, I have a problem that has me stumped, I have a 2005 Kodiak 400, with 300 miles. Runs great 90% of the time. Problem is occasionally when you load it like climbing hill it looses all power and sounds like rev limiter in forward or reverse. Seems to be more when it is hotter. I can ride for a little bit and park against a tree and floor it and get it to do it as well. I have taken tank off and drained it cleaned carb, changed spark plug and disconnected brake switch while it was doing it and nothing changed. When it’s sputtering the rpms are low as well. What am I overlooking. Seems to be doing it more often. I can haul my 5×10 trailer around yard all day and it won’t do it.