Blue shadow
TY 4 Stroke Guru
At idle my a/f is 13.5 and engaugement is 12.9 at 7000 rpm no boost is 11.6 and 15 psi is 10.5 main jetting is 135 ,2 turns on the fuel screws and 17 .5 pilots ,The needles are in the stock position .I will be putting the boost up to 19 psi so I will leave the mains the same for now.What can I do down low?THANKS