Honda Motorcycles - FireBlades.org - Reply to Topic
Honda FireBlade Discussion of the Honda CBR 900RR, Honda CBR 929RR, Honda CBR 954RR, and Honda CBR 1000RR Motorcycles.

Thread: 520 kit saves 1.7 lbs Reply to Thread
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  Topic Review (Newest First)
10-25-2004 4:03 PM
Holeshot
Re: 520 kit saves 1.7 lbs

Quote:
Originally Posted by timeBOMB
Yea I did the 520 on my 929 and very happy with it.. Plenty strong enough.
I know a guy that ran 520 chains on his 270 HP ZX12R (of course that was with the 70 shot NOS). He was of the opinion that the 520 was plenty strong.

Oh.. he used to run RC-51's on his AMA racing team.... (there's your Honda content for the day).
10-25-2004 3:21 PM
fasternyou929
Re: 520 kit saves 1.7 lbs

did the same coversion on my 929 (520, -1/+2). difference was incredible, very noticeable.
10-25-2004 3:02 PM
nedro
Re: 520 kit saves 1.7 lbs

Quote:
Originally Posted by kc954
what are the drawbacks of the 520 conversion? Any difference in chain/sprocket life? Been thinkin about doin this over the winter on my 954, which has only seen street miles so far but will have it on the track at least a few times next year, if it makes a difference.
Your countershaft sprocket will be noisier.
10-25-2004 2:47 PM
TGZ13
Re: 520 kit saves 1.7 lbs

Quote:
Originally Posted by ND4SPD
Your chain will wear out quicker.
If you take care of it the thing will last a long ass time
10-25-2004 2:46 PM
luvtolean
Re: 520 kit saves 1.7 lbs

Depends on the chain he buys.



10-25-2004 2:46 PM
ND4SPD
Re: 520 kit saves 1.7 lbs

Your chain will wear out quicker.
10-25-2004 2:45 PM
luvtolean
Re: 520 kit saves 1.7 lbs

None other than purchase price. Just buy quality stuff and it will outlast your stock stuff. (which is actually quite good BTW)



10-25-2004 2:44 PM
kc954
Re: 520 kit saves 1.7 lbs

what are the drawbacks of the 520 conversion? Any difference in chain/sprocket life? Been thinkin about doin this over the winter on my 954, which has only seen street miles so far but will have it on the track at least a few times next year, if it makes a difference.
10-22-2004 6:15 PM
timeBOMB
Re: 520 kit saves 1.7 lbs

Quote:
Originally Posted by TGZ13
Definately, when I did this on my old seca II it was even noticeable and that bike had very little power
Yea I did the 520 on my 929 and very happy with it.. Plenty strong enough.
10-22-2004 3:32 PM
TGZ13
Re: 520 kit saves 1.7 lbs

Quote:
Originally Posted by replica
Aside from the -1/+2, does it seem like your RC spins up a lot faster due to the lower rotating mass of the 520?
Definately, when I did this on my old seca II it was even noticeable and that bike had very little power
10-22-2004 3:29 PM
replica
Re: 520 kit saves 1.7 lbs

Aside from the -1/+2, does it seem like your RC spins up a lot faster due to the lower rotating mass of the 520?
10-22-2004 8:46 AM
TGZ13
Re: 520 kit saves 1.7 lbs

Quote:
Originally Posted by replica
Just some trivial info for those who may be interested...

Stock 530 chain (108 links) = 4.8#
RK 520 chain (110 links) = 4.2#

Stock 16-tooth = .7#
AFAM 15-tooth = .4#

Stock 43-tooth = 1.6#
RRP 45-tooth = .8#

Weighing was done on a home digital scale (Tanita), so there could be a little bit of room to work with on these numbers, but should be fairly accurate. Can't wait to ride a see how she feels.
Weight saving is good but its the unsprung weight that you will definately feel in the seat

I just did the 520 -1/+2 change on the RC and its night and day, on that bike even a 5lb savings means very little
10-22-2004 2:28 AM
replica
520 kit saves 1.7 lbs

Just some trivial info for those who may be interested...

Stock 530 chain (108 links) = 4.8#
RK 520 chain (110 links) = 4.2#

Stock 16-tooth = .7#
AFAM 15-tooth = .4#

Stock 43-tooth = 1.6#
RRP 45-tooth = .8#

Weighing was done on a home digital scale (Tanita), so there could be a little bit of room to work with on these numbers, but should be fairly accurate. Can't wait to ride a see how she feels.

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