07 wr 450 won't hold idle

i have an 07 wr450 that won't hold idle, it will die after about 30 seconds.

carb is clean.

i can keep it running with the hotstart if i mess with it.

so i know it ain't electrical.

i have the gytr kit in it, stock besides that.

anyone else have a similar issue? or advise

Mine started running a little rough when the weather got cold here and I turned the fuel mixture screw out a little bit and it straightened it right up.

i have an 07 wr450 that won't hold idle, it will die after about 30 seconds.

carb is clean.

i can keep it running with the hotstart if i mess with it.

so i know it ain't electrical.

i have the gytr kit in it, stock besides that.

anyone else have a similar issue? or advise

GYTR kit what? ais removal kit, jetting kit, muffler end cap? not idle usually has to do with idle screw or air/fuel mixture screw but need more info

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