Joined
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290 Posts
ok i've searched and read through alot of posts on backfiring but never really read a resolution.......here is my problem.....i'm running a HMF pipe, DJ 170 main jet and K&N filter.....my needle is set on the second notch from the top....1st question....when they say second notch..is that from the end that has the point or the end where you adjust the clip.....2nd question....when i'm at high RPM's and let off the gas a little bit (not completely), my bike starts to backfire and even shoots the blue flame.....what suggestions does everyone have to help me out with this problem......am i getting too much fuel or too much air.....i did adjust my a/f screw to 2 1/2 turns out......i'll check the plug to see what color it is as well but any help on this would be great.