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all good man, thanks :)

yeah it's the air screw. As lean as it will go and its still rich.

the 42.5 is what came stock with the bike, and it worked great until I cut the airbox lid off basically

I cant find any pictures of what jets are 'supposed' to look like, anyone got any?

So I have researched and tried pretty much everything I know 2001 warrior My idle is too rich with a 45 and too lean with a 42.5.. Im starting to think the 45 isnt the right jet. The 45 has holes down the side and the 42.5 just has 1 hole in the middle and the threads are different on the 45...

Ahh, well it is dark now, so I'll continue and post up in the morning.

ok, so i been reading. I never really realized there was an AIR screw and the THROTTLE/IDLE screw. I havnt touched the AIR screw... that could be where all my problems lie

OK, replaced those 2 o-rings, and replaced the spark plug. So I wont know if its running too lean or rich for a little while, BUT it will will only idle with screw ALL THE WAY IN but it sounds like the idle is too high. If i even lower it a little bit, it will eventually die

I think you mis read- its running a little too rich, but it wont idle unless that screw is all the way IN

It runs a bit rich, which is very confusing If it helps, I live in Utah about 4,500 elevation

45 pilot checking main ##EDIT## 145 main

I cleaned the carb and jets out & put new fuel in. But it wont idle unless the screw is all the way IN. But if I back it out even a little bit, it will idle for a minute, then die. HELP PLEASE :???: Also, The idle isnt as smooth as it was before I cut the lid off and re jetted it. This...

I get all this, but going up 1 jet size made it really rich.. If I go down 1 size its too lean.

I know what the jets do, what I dont get is why would it go from running just fine, not lean or rich when the air box lid was intact. Then I cut a part the air box lid, then it ran so lean it wouldn't idle without the choke on. Now that ive upped the pilot jet, it idles just fine, but now its...

Like i said, im not sure exactly what main jet it is, but im at very high altitude ~9k Just wondering why it would go from running so lean it wont run without choke, to super super rich with 1 jet size

I took my pilot up to 45, and my main is a 135 ( Its been jetted up for a while I just now did my pilot ) and now its running rich as hell :ohno: But i dont need the choke on anymore! :P now what >_>

I dont remember off the top of my head what pilot jet i have, I dont even think I changed the pilot jet. Ive got an FMF powerbomb with the Quiet Pipe 4

yup, everything is back together normally, Like i said it was working great before i cut the hole in the air box

What, and where is that? ###EDIT### Nevermind, i know where it is. Should it move up and down or something?

Sounds like a good Idea. So, say I do all of this and it still wont idle or go 1/4 throttle without dying, would i need to jet up or down? (I forgot to mention the throttle part, If i give it a little throttle (about to 1/4 throttle) it will bog and try to die.)