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View Full Version : all you jetters out there!!!!


trx400EXtreme
07-20-2007, 11:44 AM
i need some jetting help. i have an 02 400ex with a white bros r4 s/o and a k&n with no lid. can u give me an estimate on wut the main and the pilot jets should be? thanks.
JOEX
07-20-2007, 05:37 PM
Originally posted by trx400EXtreme
i need some jetting help. i have an 02 400ex with a white bros r4 s/o and a k&n with no lid. can u give me an estimate on wut the main and the pilot jets should be? thanks.
Stock type jets (not from a jet kit)
152 - 160 main
40 or 42 pilot
GPracer2500
07-20-2007, 05:54 PM
I might bump that upper range as high 165, depending on things.
trx400EXtreme
07-20-2007, 09:15 PM
thanx alot guys.
rooster300ex
07-20-2007, 10:17 PM
Where your located and ride at has alot to do with it also.