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Old 05-22-2004, 03:01 PM   #1
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Default Two Wheels Only June 2004 - Honda CBR900RR vs Yamaha R1

A used Bike test of the best bikes at the end of the last century.






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Old 05-22-2004, 06:12 PM   #2
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Wow, I think our R1 has the same as the U.K.'s...I looooveee that bike.
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Old 05-23-2004, 11:48 AM   #3
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Originally Posted by thamar
is it me, or are bikes tuned down in the uk?

cus the R1 here has 150bhp and has a top of about 300km/h (+/-190mph)
No the bike is not tuned down in the UK.
The different results i bhp varys depending a lot on the different ways of measuring it (SAE-corrected, DIN, STD & Uncorrected).

For example a friend of mine tested his 1400cc modified Hayabusa with the following results:
SAE = 212,1
DIN = 219,3
STD = 218,2
Ucorrected = 219,1

Plus the fact that Yamaha measured the output on the crankshaft not the backwheel. TWO made their measurments on the backwheel.
But what I find a little intresting is that they got the number at only 9900 rpm. The top bhp output usually is somewhere around 10500 rpm.

Most unmodified R1:s give somewhere around 135-145 bhp on the backwheel.
With a dynojet-kit and a slip-on you should get 140-150 bhp on the backwheel.

The topspeed of an Unmodified R1 is somewhere around 275-285 km/h. That's real speed and not the false speed that the speedometer shows.
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