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1999 Banshee Jetting. Go figure. :)


Belal4242

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Hey guys! Hope you're all doing well. Just jumped on-board the Banshee bandwagon with a Banshee I got this summer. Took it out to Ocotillo this weekend and I was DEFNITELY running WAY too rich. Just wanted to get you guy's opinions on what a good jetting setup would be.

 

Modifications are the following...

 

FMF Fatty Pipe and and Power Core 2 Silencers

K&N Filter and outerwear

NO airbox lid or snorkel. As of right now that is it. Just the basic bolt-on mods.

And my ELEVATION of riding will be between about 0-1000 feet and being the desert anywhere from 60-100 degrees Fahrenheit.

 

I was still running stock silencers this weekend in Ocotillo, and was using 310 main jets, needle at stock position, 25 pilots and air screws about a turn out. Thing was taking forever to rev up into the higher rpms and had hardly no low end pull.

 

FMF's website recommends 25 pilots, stock 3rd clip position on the needle, and 260 mains for my area of elevation with their pipes and silencer and NO snorkel. I of course have NO airbox lid or snorkel and am also running the K&N. What do you guys think a good setup would be?

 

Thanks in advance guys!

 

Sean

Edited by Belal4242
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Update! Okay so, I have now done the following to my jetting...

 

350 mains (rich I know, just starting safe gonna work down)

27.5 Pilot

Needle 3rd clip

TORS Idle knobs 4 turns out from fully seated

 

Now, I HAD the air screws 2.0 turns out. BUT, if I babied the throttle in about 1mm (about 1/8th throttle or a little less) I had a slight bog engine would slow down and go whump whump. So, I turned the Air screws all the way and that seemed to clear up the bog. So my first question is, should I go up to a 30 pilot? This bike isn't all that heavily modded

 

My 2nd question is, with my current jetting, if I'm sitting in neutral idling and I rev it up as it comes back down I hear a a couple VERY distinct pops coming from the front of the bike. (The cylinder itself or the pipe I can't tell) it's not coming from the silencer. Is this just normal 2-strokeness or am I detonating or something? I have it jetted fairly rich at the higher throttle position, shouldn't be lean at ALL. I'm leaving for Glamis this Friday and I wanna make sure this thing doesn't blow up on me.

 

Thanks guys! Hope you're having good weeks.

 

Sean

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