no mid range power

[xxnightraven73x]

ive got an 01 400 ex its got the 440 big bore kit jetted piped and its got plenty of low end power and plenty once you get past half throttle or so got any ideas?

[Chino886]

How is your jetting?

If you are running on the rich side at 1/2 throttle, you could try to lean it out a bit.

That is the cheapest route!

[zeppelin]

yeah i think you neeed to adjust your needle. if you dont know how check this thread out for some tips http://www.exriders.com/vbb/showthread.php?s=&threadid=221872