Jetting the 35mm PWK

B_Rad_NC

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Mar 6, 2008
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Im running a 35mm pwk on my blaster, mods in sig. Whats a good base jetting? Right now it has a 42 pilot and 172 main i believe, seems to be running a little rich which is good, im just breaking it in. I think i need to drop a few sizes on the main, it doesnt wanna rev out all the way, revs up decently high and blows a bunch of smoke, lol.
 
Hmm, i guess i may want to go up on the pilot soon then. It seemed to be running rich at idle but definatly rich up top, whats the best way to go about checking the fuel mixture at idle? I think mine has a 42 pilot but im not 100% sure.
 
From what Ive learned, the larger the carb you run, the smaller the jets you run.

Its kind of counter-intuitive but like I said, mine is bored .040 over with an FMF fatty and at 7000 feet elevation, I was running too rich on a 125 main.