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View Full Version : I need help with jettings!!!



arTuReX
03-30-2008, 11:59 AM
Ok i change the airfilter for a K&N i put a outerwearz skin to the filter and i removed the lid and put an outerwearz skin lid, and i just got a Yoshimura TRC Slip On, so i need jettings! and i have no idea what to try first or where to start with, i'm only gonna ride in Northern California(hollister,carnagie), Maybe pismo beach i'm not going anywere else, a little help please?????

BlaineKaiser450
03-30-2008, 01:12 PM
im not an expert with slip on jetting, but i think you should try a 165 MJ and the A/F screw 2 - 2 1/2 turns out

03-30-2008, 05:36 PM
One bigger on the pilot jet I can't remember what stock size is. Move the clip on the needle down one slot raising it up a little. 180-185 main jet.

arTuReX
03-30-2008, 07:47 PM
ok i'm getting an idea, is this something i can do myself???

d3ktrix
03-31-2008, 11:04 AM
Originally posted by BlaineKaiser450
im not an expert with slip on jetting, but i think you should try a 165 MJ and the A/F screw 2 - 2 1/2 turns out

He has an 04 not an 06+



Originally posted by TRX450R_Racer
One bigger on the pilot jet I can't remember what stock size is. Move the clip on the needle down one slot raising it up a little. 180-185 main jet.

Stock pilot in an 04 is a 48, so he's looking for a 50.

arTuReX
03-31-2008, 12:21 PM
Ok now im confused!

d3ktrix
03-31-2008, 01:12 PM
Originally posted by arTuReX
Ok now im confused!

Do like TRX450R_Racer said.
185MJ, 50 pilot, adjust A/F screw accordingly.
And 1 clip down on the needle if needed.

arTuReX
04-02-2008, 03:22 PM
Thanks everyone

arTuReX
04-06-2008, 02:37 PM
I changed to 185/50 thank to you guys, so far so good!

d3ktrix
04-06-2008, 03:26 PM
Glad to help