i held off for a while from posting for help hoping that I could figure this out.

so gonna try to keep this simple.

bought the bike and it ran like a champ. no back fire what so ever.
silicon got into my fuel and i didn't know. bike started to run weird. then i found out i had silicon in my fuel when i drained my tank.

I have an aftermarket exhaust, forcewinder intake on my 99 R*

when i took the carb apart it had a 195 dynojet main and stock needle.
I cleaned the carb and put everything back together. still no good.

i have changed the plugs to iridium.
i just got a baron's jet kit installed today.
172.5 main
needle 4th clip.

It pulls so hard now. performing awesome. It has never ran so well but... I still have the back fire.

backfire is on decel. it freaking annoys me.

I followed the baron's instructions. 3.5 on pms and played with pms both in and out and still can't seem to get rid of the backfire. when it idles it will occasionally shoot blue flames.

i'm out of ideas. can anyone help.
i have ran out of ideas.

i was thinking about dropping my main jet down.

ais was already removed when i got it.