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2001 F4i's the stronger ones?

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  #1  
Old 09-10-2010, 01:36 PM
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Default 2001 F4i's the stronger ones?

Hey everyone,

So I ran across quite a few posts stating that the first year F4i, 2001, is a bit stronger than 2002-2006 due to Honda not "dumbing" it down. Below is a statement off of this site

"Remember they tuned the f4i down in 2002 compare an 01 f4i to the RR"
(They were comparing an F4i to an RR)

Now I understand that in 2003 they may have dumbed the F4i down due to trying to make a differentiation between the release of the RR..so that makes some sense...but I was wondering if anyone has any concrete evidence that the 2001 F4i's are indeed not "dumbed" down or unaltered from the factory? If so, what things would Honda even dumb down? I would assume not hardware but rather just a more relaxed tune/ECU?
 

Last edited by 600F4inoober; 09-10-2010 at 01:38 PM.
  #2  
Old 09-10-2010, 02:10 PM
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they're on crack, emission devices were added to the bike
 
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Old 09-10-2010, 02:44 PM
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I have heard that the 04-06 were de-tuned compared to the 01-03. I think its all a bunch of BS. Even if it is de-tuned you'll never feel the difference especially on the street.
 
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Old 09-10-2010, 08:16 PM
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I'm wondering if the idea came from the following stats?
This was reported by MCN and it shows 6.5 less RWHP on the '06 vs. the '01. Less torque and 4lbs heavier, too.

CBR600F4i ’01 VS. '06
RWHP 96.6 VS. 90.1
RWTQ 43.6 VS. 40.3
WT 436 VS. 440
MPGAVG 40.7 VS. 36.7
TOPSPD 155 VS. 156
0-60MPH 2.89 VS. 3.52
0-100MPH 6.61 VS. 7.94
1/4mile 10.59 VS. 11.26
1/4SPD 128.23 VS. 121.56
60-0 (FT) 111.3 VS. 123.5
P:W 1:4.51 VS. 1:4.88

Not saying that anyone is gonna be able to tell the difference on the street.... or that the numbers are right.... or that they aren't just slightly different due to error, worldwide conspiracy, etc... but they appear to be reported differently.
Could be the root of the rumors.
 
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Old 09-10-2010, 09:51 PM
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The extra weight must be that banana seat! Haha...
 
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Old 09-11-2010, 01:33 AM
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The weight wouldn't surprise me. The whole back end of the bike is different. Plus, a random bolt here or there can add up.

However, I could see a different ECU was probably used. I doubt they actually spent time and money to make the newer ones slower even if to compare to the RR. That's like Lamborghini making their cars slower now so in 3 years they can be "faster"
 
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Old 09-11-2010, 06:43 AM
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Running a 10.59 stock quarter mile??? Hot damn!
 
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Old 09-11-2010, 05:59 PM
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Originally Posted by Timmy_Jones
Running a 10.59 stock quarter mile??? Hot damn!
That can't be right.
 
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Old 09-12-2010, 04:42 AM
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05 and 06 had cat installed in the exaust, and cali models have o2 senor,

and different ecu.
 
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Old 09-12-2010, 08:04 AM
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actually all 06's have o2 sensor, not just cali models.
 


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