crf jetting

[400ex28]

What jetting are you guys running in your crf450's?

thanks.

[Rootar]

168,170,175

depends on the temperature......if its really cold 175, nice day 170, 100degree summer day 168. those are good places to start.

im usually lazy if im not at a race and just leave 170 in it year round....but i can tell a difference when chaning them.