What should my jetting by on a PRO XR 800?

[dusty800]

I have an 04 PRO XR 800. Everything is stock except I installed a Holtzman ATACC. Currently running 450 mains and the needle in the 3rd clip. Running around 1000 feet. I have checked plugs and they are grayish with a little brown tint. Just wondering if you guys think I'm running just a little too lean. Looking for some reassurance or some suggestions.

 

[theultrarider]

That sounds about right for jets, and about how the plugs should look. Hard to hurt that motor as well as the det sensor will kick in if you should get it too lean. I'd run it.

 

[dusty800]

I was thinking it would be OK since the DET light never went off. Just wanted to see what someone else thought.