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GYTR jetting?
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Posted by: Fred55

Can anybody give me some jetting specs for a 05 yfz with no airbox lid, stock filter, and the alum gytr slipon? I just need a good starting place with the jetting, i also have the gytr jet kit, thanks!

Posted by: EvilJester400EX

I had the full and I was running what was recommended: 168 main, 45 pilot.

Posted by: Cron

My brother has the GYT-R pipe and runs no lid racing, the lid is on for the winter riding now and runs fine.

Here is what I reccomend, mine is similar to his.

5th spot stock needle, or buy the GYT-R needle and around 3rd spot.
45 pilot
Invest in the Zip tye fuel screw, that thing helps a ton!
and a 168m

I do not know where either are on the mixture screw, I tweek it everytime I ride so it runs perfect.