View Full Version : jetting for a 440ex
trx400exracer
06-14-2010, 12:16 AM
what would i need for jets to run my stock carb on my 440ex all parts in my sig im 200 feet above sea level thanks
JOHNDOE83
06-14-2010, 08:14 AM
anywhere from 160 up to 220 main jet size, and a 42 pilot is a good idea.
dalejiw25
06-14-2010, 08:30 AM
Check my sig. for a good starting point. My main is a little on the lean side but thats just how I roll.
Wheelie
06-14-2010, 09:33 AM
My stock carb setup was 42 pilot, 178 main, and needle on 4th clip from the top.
Try a 42 or 45 pilot and 180-185 main.
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