250R jetting

[sly400ex]

What jetting should i start off with? What is stock jetting? I will have my esr and boyseen radvalve......many more questions to come, I'm trying to get this thing going!!!!

[powerslider]

Stock carb settings under 5000ft alt. for 87R above 22F

main 152
needle 4th groove from top
pilot 48
air screw 1 7/8 turns out

[sly400ex]

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