July 13, 20179 yr Can you please post your jetting specs and altitude for the beta 4 stroke preferably the factory? thanks in advance guys Roman
July 13, 20179 yr What jets have you tried. I told you what we used at the Nationals. Did you get a fuel screw or did Ron install it when new?
July 13, 20179 yr Author I got everything peters recommend 22.5 pilot 130 main needle on middle? screw out?
July 14, 20179 yr Sounds about right, my 2016 factory 300 had serious starvation problems until i ran the bigger main jet.
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