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Mod questions

Started by Foximus, December 06, 2007, 05:46:53 PM

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Foximus

im so confused as to if this is a joke or not...

but regardless, moving on...


So I got the K&N on and put in 40 and 150 jets which are really spot on.    However Im having some trouble getting that needle jet just right.   My 5-7k is weak.   I think its rich,   even at the stock 1 washer there is a flat spot, and with 2 washers its worse.   Im about to go down to no washers, but I've never read anyone doing this....?

Foximus

#41
0 washers and 2 washers feel the exact same....    weak spot at 5-7k when WOT.    1 washer, the flat spot is still there but not as apparent...   

after a few runs, im starting to think that 150 main is to big....   

If I cruise at 5000 rpm, and crack WOT there is a lag, exhaust crackles, and when i get to 6500 rpm the engine smooths out again.     
This only happens at 5 - 6.5 k rpms and only when WOT.

When I first put the jets in with only 1 washer it accerated smooth, but the idle screws were 4-5 turns out....   Perhaps this was enough to lean out the 150 just enough....
Opinions?

yamahonkawazuki

oh kasumi, i win here too  :cheers: :cheers:
Jan 14 2010 0310 I miss you mom
Vielen dank Patrick. Vielen dank
".
A proud Mormon
"if you come in with the bottom of your cast black,
neither one of us will be happy"- Alan Silverman MD

Kasumi

Heh if you can fit a EFI, a power commander and then a turbo then you can beat me. If you can't oh well.
Custom Kawasaki ZXR 400

Foximus

thanks for no one trying to help answer questions though.

yamahonkawazuki

anyhoo with oipen exhaust what you did should be alright, but seems as tho teh screws are way out. i did mine w/o the washers ( k&n lunchbox, drilled and punched exhaust) and used the almsot same combo, anyhoo as far as last question go down one tooth in front. try 1 size down on main jet/s 150 seems far too big. and finally if you can figure out how to shave 35lbs off of the bike, ( and not the rider) lemem know
Jan 14 2010 0310 I miss you mom
Vielen dank Patrick. Vielen dank
".
A proud Mormon
"if you come in with the bottom of your cast black,
neither one of us will be happy"- Alan Silverman MD

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