Front sprocket - 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 57 Old 12-06-2004, 5:38 PM Thread Starter
 
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Front sprocket

Man am I full of questions lately. Will a front sprocket off a '96 F3 fit on my '98 900RR? I was kind of under the impression that the bikes of that vintage shared a TON of parts or were at least extremely compatible.

This would be a 14tooth sprocket. I'll be topping out at 145mph, according to my math. I don't really think I need those extra 20mph that I'd have with stock gearing. And I think the shorter gearing might be more conducive to track riding.

Will it fit? Opinions on dropping down two teeth?
-Rob

Last edited by 66droptop; 12-06-2004 at 5:39 PM.
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post #2 of 57 Old 12-06-2004, 6:04 PM
 
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Re: Front sprocket

look up a website like afam or sprocket specialist, maybe vortex. See if they have the same part#

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post #3 of 57 Old 12-06-2004, 6:26 PM Thread Starter
 
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Re: Front sprocket

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Originally Posted by CBRBob
look up a website like afam or sprocket specialist, maybe vortex. See if they have the same part#
Genuis! And yes, they are!

I'll see how my ghetto sprocket kit works out. Maybe I'll sack up and drop the money for a 520 kit.

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post #4 of 57 Old 12-07-2004, 12:15 AM
 
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Re: Front sprocket

Go for it. I just went -1/+2 w/520 kit on my 929 and absolutely love the hell out of it. This is approx equivalent to you dropping 2 up front. Best mod ever!
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post #5 of 57 Old 12-07-2004, 12:25 AM Thread Starter
 
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Re: Front sprocket

I'm looking at making a ghetto 520 conversion for my 900RR off things I found on ebay. All parts are brand new & in the box, mind you. F4i Vortek sprockets (15, 46), and a 120link 520 chain. Total price should be under $50 if this comes out right.

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post #6 of 57 Old 12-07-2004, 2:06 AM
 
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Re: Front sprocket

If it's new and not crap parts, it's not ghetto.
BTW anything more than +3 rear or -1 front on a 929/954 is a bit much.

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post #7 of 57 Old 12-07-2004, 3:47 AM Thread Starter
 
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Re: Front sprocket

I realized the F4i rear won't work. 6 bolt vs the 5 bolt on the 900RR. The front will though, according to Afam's site. I've got a good bid down on the chain already, so too late now to back out. I'll nab the front sprocket for a couple bucks, and then just wait until the rear comes along. $70 for it, according to Afam's website.

Yeah, I wanted to go with -1 in front and +2 in the rear. But I wasn't going to argue if I came across a +3 rear sprocket for a couple bucks.

Anyone have a 45tooth rear sprocket for a 520 chain, that will work with a 900RR/F2/F3/F4?? F4i/929/954 won't work.
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post #8 of 57 Old 12-07-2004, 5:41 AM
 
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Re: Front sprocket

Quote:
Originally Posted by 66droptop
I realized the F4i rear won't work. 6 bolt vs the 5 bolt on the 900RR. The front will though, according to Afam's site. I've got a good bid down on the chain already, so too late now to back out. I'll nab the front sprocket for a couple bucks, and then just wait until the rear comes along. $70 for it, according to Afam's website.

Yeah, I wanted to go with -1 in front and +2 in the rear. But I wasn't going to argue if I came across a +3 rear sprocket for a couple bucks.

Anyone have a 45tooth rear sprocket for a 520 chain, that will work with a 900RR/F2/F3/F4?? F4i/929/954 won't work.
why don't you just get a cush drive for the F4i?
that should be about 10 dollars as pose to a rear sprocket which may end up being about 20...

i'm not saying it will work but i'd try it if i were you.

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post #9 of 57 Old 12-07-2004, 2:27 PM Thread Starter
 
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Re: Front sprocket

Quote:
Originally Posted by Chindian
why don't you just get a cush drive for the F4i?
that should be about 10 dollars as pose to a rear sprocket which may end up being about 20...

i'm not saying it will work but i'd try it if i were you.
I actually thought of this. But if you compare a 900RR rear rim to a 929/954/F4i rear rim, you see why it won't work. The 900RR rear is designed for a 5 bolt. F4i is 6.
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post #10 of 57 Old 12-07-2004, 6:34 PM
 
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Re: Front sprocket

I think Afam's price of $70 for a rear is a little high. You should be able to snag that thing for $30-$45. try maw.com or do a quick google.

2002 954 Full Ohlins, Galfer Wave Front Rotors, Scotts Damper, MIG High Mount, 16/45 520 Conversion...Sweeeeet

1996 CBR600F3 Smokin Joe's Edition
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post #11 of 57 Old 12-08-2004, 12:09 AM Thread Starter
 
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Re: Front sprocket

Quote:
Originally Posted by davef
I think Afam's price of $70 for a rear is a little high. You should be able to snag that thing for $30-$45. try maw.com or do a quick google.
Will do. I googled it last night and only tried the first two or three sites I came across. One is local, and they want like $53. Kneedraggers wanted $46 for it, but with shipping I'll probably be better off just riding 30 blocks to the local shop and getting it there.

I'm too stingy to buy something first without an exhaustive search for the cheapest.
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post #12 of 57 Old 12-08-2004, 12:38 AM
 
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Re: Front sprocket

Quote:
Originally Posted by 66droptop
I'm too stingy to buy something first without an exhaustive search for the cheapest.
Nothing wrong with that! That only shows intelligence.
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post #13 of 57 Old 12-08-2004, 2:55 AM
 
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Re: Front sprocket

Quote:
Originally Posted by 66droptop
I actually thought of this. But if you compare a 900RR rear rim to a 929/954/F4i rear rim, you see why it won't work. The 900RR rear is designed for a 5 bolt. F4i is 6.
the cush drive is what the sprocket bolts on to... if you used an F4i/929/954 cush drive, it would accept a 6 hole sprocket. doesn't hurt to give it a go..

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post #14 of 57 Old 12-08-2004, 6:39 AM
 
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Re: Front sprocket

Quote:
Originally Posted by 66droptop
Will do. I googled it last night and only tried the first two or three sites I came across. One is local, and they want like $53. Kneedraggers wanted $46 for it, but with shipping I'll probably be better off just riding 30 blocks to the local shop and getting it there.

I'm too stingy to buy something first without an exhaustive search for the cheapest.
I suffer from the same affliction...

2002 954 Full Ohlins, Galfer Wave Front Rotors, Scotts Damper, MIG High Mount, 16/45 520 Conversion...Sweeeeet

1996 CBR600F3 Smokin Joe's Edition
Gets good MPG...
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post #15 of 57 Old 12-08-2004, 11:37 PM Thread Starter
 
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Re: Front sprocket

Quote:
Originally Posted by Chindian
the cush drive is what the sprocket bolts on to... if you used an F4i/929/954 cush drive, it would accept a 6 hole sprocket. doesn't hurt to give it a go..
Hmmm. Maybe I have this wrong (I'm somewhat new to bikes anyways). This is what I had been thinking: The sprocket bolts to the metal deal (thought this was the cush drive). The metal deal then has the rubber spacers/dampers/whatever, and then is the rim.

If I'm understanding aforementioned part correctly, the problem is the metal deal on the 900RR is designed for a 5-star pattern with the rubber bushings, and is bolted to the rim in a five bolt pattern. The F4i is a 6-pointed star design and bolts to the rim with 6 bolts.

Like I said, I could very easily be wrong in my understanding. Can you supply some pictures of said part so that I can eliminate vocabulary as our communication glitch?

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