I think it would be a matter of if you need to change plug #'s. Maybe I'm wrong though. Either way it looks like your running rich. Was that after running it around for a bit? Was it a new plug to start with after your build? Higher octane fuel burns slower so if anything it would be running a little cooler cyl temps if I'm not mistaken. Get ahold of Eric if thats who's stuff your using. He will set you straight I'm sure.
Personally i run 50/50 aviation fuel and 93 pump gas with a 8oz marvels mystery oil per gal when im going to race or run WOT because of better throttle reponse... just trail riding is straight e-free 93 pump gas.
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