Pilot jets...

[Sneed69]

I have a stock head, pilot jet is a 25, needle in the 3rd position, mains are 300's, FMF Fatty with Core2 silencers, K&N filter and Power Lid and Boysen Carbon Fiber dual stage reeds on stock cages. I'm also adding the Rick Stator timing plate this weekend and advancing it to +4.

 

It bogs pretty badly in the low end, should I change to a 27.5 pilot jet? Or just adjust the air screw?

 

Thanks a bunch, your help is much appreciated...

Edited September 12, 2008 by Sneed69

[Hilarious]

adjust your air screws first. if the pilots are too small, turn the air screws in

a little bit at a time. if you get past one full turn from lightly seated, its time

to go the next size up on the pilot. :thumbsup:

Edited September 12, 2008 by Hilarious

[DuneRookie]

From my experience bogging usually means a rich condition. Definately try air screw first. Just be sure to adjust both carbs the same.

[mdhc500]

It might be a combo of both. I would try the airscrews first to see if you can find a happy medium,

but you might have to bump the pilots... Good luck...

[Paddleboy]

i have the same set up (for the most part) and i'm at stock pilot with 330 mains. i used to have my needle clip in the fourth down and it had a hell of a bog now i put it back to the middle and it was great. also 2 turns out on air screw

[ASRBanshee]

turn your screws all the way in. Then go out 1/2 a turn at a time until the bike idles at the highest point. If the bike idles at the highest point at 1 1/4 turns out or less you need a bigger pilot.