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help jetting my 28 pwk please


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hey guys went down to badlands and had trouble getting my carbs jetted right was cutting out lowend and the very top of every gear not sure what i should be running. the thing was running good the night before i ended up with 60 pilots and 180 mains then when i got there it was not running very good.

 

my mod list

trail port

trinity pipes

+4 timing

vforce reeds

20cc domes

28 pwk with pods

100 octane gas

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I ran your same setup but with midrange pipes and I had a 50 pilot and 162 main. The needle is key in these carbs do a search to find out what is best I can't remember what I had off the top of my head. There is like a gazillion needle options with diffrent tapers alot of fine tuning possibilities there.

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Did you come down one size at a time from 180? I always get it to the point of puking on itself and then back it down one size at a time until it cleans out. then run it and check the plug. I did the same thing at the Badlands and it ended up running pretty good. I think I'm running a 55 pilot on my 4 mill. Where is your air screw set at?

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180 to 162 is a pretty big drop in jetting. i would make sure your carbs are synced first. my air screws on my 28 are about 1 3/4 turns out of seated snuggly. Jd might have the carb sync tool. you can do it by eye but its up to u. have you done a plug chop?

 

oh yeah and ur a-arms are badass nick.

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thanks man i will check the air screw tom and as far as a plug chop where is the info to see what its suppossed to look like

 

ill find it dude. hold on i been lookin for it. go look at tits for a min in the general discussion room while ur waitin lol.

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this one u have to scroll down till u find the big pic of the plug, but its pretty informative. almost to the bottom.

plug chop link #1

 

this one is ok

by the book way

 

i dont actually cut my plugs. i just look down in them to see wat they look like.

 

:thumbsup:

Edited by grizzly700
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