CBR 954RR 2002 - 2003 - CBR 954RR Forum

exhaust

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Old 04-28-2007, 12:52 AM
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Default exhaust

on a 954 you have 2 dampners..one on the airbox and one on the exhaust..if you eliminate both dampners and put a power comand on the bike you will have to gear up just to keep the bike from pulling up in the first four gears and that will put your top speed over 200mph...i have built a custom air box but not sure how to approach the exhaust without having to buy a full exhaust i just need a replacement part for the dampner that eliminates the gate...please let me know if you know were i can pick one up..i will be in the shop trying to fab my own i guess...sure would rather buy one...
 
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Old 04-28-2007, 12:56 AM
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Default RE: exhaust

first four gears.... right 200mph... what planet u on
 
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Old 04-28-2007, 01:11 AM
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Default RE: exhaust

the only reason i bought this bike is because a friend has one that i watched him buy the bike all stock...we picked it up and went straight to a bike shop were he put a 2 brothers pipe on it , custom air box w/ram air and a power comand...he road it for 3 days and took it back..went one tooth up in the front and one down in the back.which kept wim from pulling up,except in first...that is the only reason i am doing this project...
 
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Old 04-28-2007, 01:12 AM
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Default RE: exhaust

i ment 2 teeth down in the back
 
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Old 04-28-2007, 11:26 AM
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Default RE: exhaust

who tuned the bike because power commander is nothing without proper tuning...... also did u recalibrate speedo...
 
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Old 04-30-2007, 01:29 AM
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Default RE: exhaust

friend of mine owns a bike shop...the results were tested on a dyno...i went ahead and bought a full exhaust...so i will find out soon enough what my bike will do...and i will post dyno results...
 
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Old 04-30-2007, 03:04 AM
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Default RE: exhaust

ooooooookkkkkkk
 
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Old 04-30-2007, 02:03 PM
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Default RE: exhaust

...been sniffin' too much exhaust I think
 
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Old 04-30-2007, 07:29 PM
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Default RE: exhaust

I wont say its impossible without major modifications, the sprocket change with 17 front and 41 rear would make it more possible. the bike would be horrible as far as sluggish taking off. the only thing i can say is wit the sprocket change is the speedo will be off but also you have to have a stong enough engine to push the sprocket change which is not to rediculous. worth tryin, but i do believe wit the modifications he has will push it above 180 maybe 185.
 
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Old 04-30-2007, 10:21 PM
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Default RE: exhaust

my bike has 40/17 gearing-open exhaust with slotted cam sprockets-degreed in(timing retarded
as far as posible,w/out risk of engine damage!)i have not seen a need for a pc3 at the current
time-but a need for a ignition module-slow speeds?-engine chuggs bad on decel(from high rpms)
with the gearing and the power band setall the way up-the front end stays down-if it does come up
(and it does)shift gears(power wheelies are harder to do!)-5th gear redline shows approx
175-180-then shift to 6th-at full redline maybe 195-at 185 about 2k rpms to go,but the torque
curve is gone,i must remind you most of the mods have gone into suspension-a stock 954
is not safe at these speeds!!
the gearing set-up that i use/like-makes for pleasant riding with out loss of performance(just
comes alive at higher speeds)-here is a picture of my bike at the current time
just be safe with what ever you do
o8
 


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