Mods to do to a 900rr - Honda Motorcycles - FireBlades.org
Honda FireBlade Discussion of the Honda CBR 900RR, Honda CBR 929RR, Honda CBR 954RR, and Honda CBR 1000RR Motorcycles.

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post #1 of 8 Old 08-29-2005, 5:05 PM Thread Starter
 
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Mods to do to a 900rr

Ok I have a 99 900RR it has a two brothers slipon and that is it. I know I can get a full system but which one is best. Oh I see there are like three different levels of jet kits offered for the 900rr which one is best. Oh are there any ram air kits or info about how to add ramair. and for right now are there any airbox mods I could do. Oh and one more question if I can peg the tach at 11k in topgear with stock gearing which is about 185 indicated about how fast am I going . Thanks in advance for for all the help.
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post #2 of 8 Old 09-02-2005, 9:20 AM
 
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Re: Mods to do to a 900rr

Hindle, Akrapovic, Micron

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post #3 of 8 Old 09-02-2005, 11:18 AM
 
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Re: Mods to do to a 900rr

Hindle full systems get my vote too. Jetting is a delicate issue. If you live near sea level, you may install larger jets to richen the mix. If you take the bike to higher altitude it needs to be lean by two stages to compensate for the lack of oxygen. Figure the speedo to be as much as 7-10 percent inaccurate. The inaccuracy percentage gets higher as the MPH gets higher.
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post #4 of 8 Old 09-02-2005, 11:23 AM
 
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Re: Mods to do to a 900rr

Honda offers a 3 stage factory upgrade kit for the 900. Stage one is called the 929, stage 2 is the 954 and stage 3 is the 1000.

Just messin' wit'cha.
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post #5 of 8 Old 09-02-2005, 11:34 AM
 
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Re: Mods to do to a 900rr

Which exhaust is best? Everyone will tell you something new, and it really won't matter. Hindle does make a good kit that is less expensive. Whichever one you go with, just properly tune your carbs to it and you'll be golden.
The jet kit you want to go with depends on how much work you want to do. The "Stage 3" or "Race" kits require some drilling or machining on the carbs to get 100%. If you want to go that far for that last 1-2 rwhp, go for it. If not, just get either the Dynotjet or Factory "Drop in" or "Stage 1" kit. The titanium kits may sound cool, but the jets will wear out faster. Follow the instructions, as the base settings on the kits are pretty good overall. Go with a one step fatter jet in the middle two cylinders.
For optimal power, have a good carb tuner play with it on a dyno.
Airtech makes a closed pressurized airbox kit for the 900RR:
http://www.airtech-streamlining.com/hondaz/he9.htm
You'll want it to shift better, and the simple shift kit from Factory Pro makes a world of difference on those older RRs.
If you want a couple more rwhp and a more responsive engine, go with Nology HotWires and ProFire coils.
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post #6 of 8 Old 09-02-2005, 6:25 PM Thread Starter
 
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Re: Mods to do to a 900rr

Wow finaly a couple of replys I did not even think about the plug wires and coils are the any good places to get those. I decided to get a 17t sproket for the front to raise my topspeed which is on the way. I also picked up a BMC airfilter as my honda one is clogged.
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post #7 of 8 Old 09-03-2005, 1:31 AM
 
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Re: Mods to do to a 900rr

Quote:
I decided to get a 17t sproket for the front to raise my topspeed which is on the way
Is the 900 governed? I was under the impression that even the fastest production bikes are governed to 176 MPH.
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post #8 of 8 Old 09-03-2005, 3:37 AM Thread Starter
 
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Re: Mods to do to a 900rr

I thought it was 186 and that did not start till like 2002 cause that is about when when quite a few bikes were bumping the 200mph range aka the Hayabusa, zx12r, cbr1100xx and the ducati 999r.
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