View Full Version : Which jet and pilot jet for 07 400ex
JordanKocher93
05-22-2008, 09:26 PM
I have a 2007 TRX400EX and i just bought a HMF Sport Series exhaust and i don't know what jet and pilot jet to put in it. I live about 590 feet above sea level, and how many turns should i take the fuel screw out?
Mike/HMF
05-23-2008, 02:20 PM
400EX: 2004-Up
Full and Slip-On System: 152 Keihin Hex/42 Pilot
Adjust your fuel screw to the highest smooth idle. . .Usually 2-3 turns out from light bottom.
bravosvo
03-14-2010, 03:15 PM
I have the same setup as JordanKocher93. It appears the the HMF Jet Kits do not have a 152 Keihin Hex/42 Pilot jets. Is this correct? Where do I find those jets for this setup? Thanks
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