Air box lid?

[450rquadrider]

So I have a 07 trx450r. It recommmends a 165 main and 48 pilot. Is this with the air box lid removed? Also, how many turns out on the fuel screw? Thanks.

[Mike/HMF]

Yes that is for airbox lid off. Check out this thread. --> http://hmfracing.com/forums/showthread.php?t=1128

Thanks

[450rquadrider]

Thanks mike. I got mine rejetted and it runs great with the lid off.