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Posted

I have a 02 banshee, fmf fatty pipes and fmf power core II silencers. Stock filter with airbox snorkel removed, reeds (not stock, but not sure what is in it) and reed spacers. This is the way I got it. I had the carb off to fix a gas leak prob (turned out to be the float) and noticed that all it has are 200 main jets. I am at 1040ft above sea level. It seems to run fine, should I mess with it? It has never fouled a plug since I have had it.

 

I mean I really dont want open a box of worms if it isnt necessary, it runs great right now. I just dont want to damage the engine either though.

 

Christy

Posted

I ran 320 mains w/same pipes, reed spacers, k+n w/lid off at sea level. You obviously are not going to be that drastic, but I would definately think you are lean. I would suggest around the 250-260 range. What do your plugs look like?

Posted

On fmf's website, they do suggest 260's w/snorkel taken off, stock air filter. And yes, if they are white ashy looking, you are dangerously lean. You would probably be ok staring at 280's and go from there. I think that will put you a hair rich w/your altitude and stock filter.

Posted
So according to fmf I should be at 260 on the main and 30 on the pilot. What is stock for a pilot? Would it probibly run good if I just up the main to 260 and do nothing else??

404126[/snapback]

Stock pilots are 25's. You are running really lean, you should be at a 270 main, 27.5 pilot. I would also get a K&N filter w/ adaptor plate from nossmachine.com.

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