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Honda FireBlade Discussion of the Honda CBR 900RR, Honda CBR 929RR, Honda CBR 954RR, and Honda CBR 1000RR Motorcycles.

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Old 01-14-2008, 8:23 PM   #1
 
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Is having a worn rear sprocket bad?

Hey everyone!

My 1993 900rr has about 21,000 miles and a custom rear sprocket with 3-down or 3 less teeth.

I looked at it and the teeth are hooked slightly. I'm guessing they are worn out.

What damage can this do to my bike and what can it do to performance?

Thanks
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Old 01-14-2008, 8:56 PM   #2
 
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Re: Is having a worn rear sprocket bad?

With the hooked teeth you are definitely putting a hurt on your chain. Also, you are running the risk of throwing your chain with that worn rear sprocket. I would spend the $80 and buy a new sprocket before you get hurt. Be careful.
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Old 01-14-2008, 9:00 PM   #3
 
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Re: Is having a worn rear sprocket bad?

Segiano, do I need to replace the front sprocket and the chain at the same time?

I'll try to take some pics of the rear sprocket
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Old 01-14-2008, 9:03 PM   #4
 
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Re: Is having a worn rear sprocket bad?

Originally Posted by MT Wallet View Post
Segiano, do I need to replace the front sprocket and the chain at the same time?
If the budget allows, it is always advisable to replace the chain and sprockets as a set so that they wear at the same rate and last longer. If not, just check the front. If it looks good run it. The fronts don't wear as much as the rear.
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Old 01-14-2008, 11:41 PM   #5
 
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Re: Is having a worn rear sprocket bad?

Originally Posted by CR5DUB View Post
If the budget allows, it is always advisable to replace the chain and sprockets as a set so that they wear at the same rate and last longer. If not, just check the front. If it looks good run it. The fronts don't wear as much as the rear.
Thanks CR5DUB

I'll try to post a pic later of the front/rear sprockets.
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Old 01-15-2008, 11:28 AM   #6
 
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Re: Is having a worn rear sprocket bad?

If you don't replace them all at once then the wear pattern from whatever you don't replace will ruin the new parts faster.

Worn sprockets is a good way to lose a chain and then lose a leg or worse.
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Old 01-15-2008, 3:40 PM   #7
 
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Re: Is having a worn rear sprocket bad?

replace the lot - you'll be happier in the long run.
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Old 01-15-2008, 4:05 PM   #8
 
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Re: Is having a worn rear sprocket bad?

Originally Posted by MT Wallet View Post
Segiano, do I need to replace the front sprocket and the chain at the same time?

I'll try to take some pics of the rear sprocket

Replace them at the same time...I went through three sprockets in about a month because I didnt replace all the components until the last time around. Its amazing how fast they wear if the components are not matched.
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Old 01-15-2008, 9:22 PM   #9
 
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Re: Is having a worn rear sprocket bad?

Can anyone tell me what kind of rear sprocket I have and is it still good?

If not, is it too dangerous for me to keep using?

What about the front sprocket? I think this is a DID chain.

http://img.photobucket.com/albums/v6...Picture014.jpg
http://img.photobucket.com/albums/v6...cture012-1.jpg
http://img.photobucket.com/albums/v6...Picture013.jpg
http://img.photobucket.com/albums/v6...Picture010.jpg
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Old 01-16-2008, 10:15 AM   #10
 
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Re: Is having a worn rear sprocket bad?

The rear is definitely done. The front isn't looking to good either. You should really do both and the chain. You can typically pick up the entire set-up for well under $200. Check Cal-Sportbike, they are a site sponsor and give great prices and good service.
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Old 01-16-2008, 11:12 AM   #11
 
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Re: Is having a worn rear sprocket bad?

Originally Posted by slickwill View Post
The rear is definitely done. The front isn't looking to good either. You should really do both and the chain. You can typically pick up the entire set-up for well under $200. Check Cal-Sportbike, they are a site sponsor and give great prices and good service.
Okay slick, I appreciate the diagnosis!
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Old 01-16-2008, 11:27 AM   #12
 
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Re: Is having a worn rear sprocket bad?

Originally Posted by slickwill View Post
If you don't replace them all at once then the wear pattern from whatever you don't replace will ruin the new parts faster.

Worn sprockets is a good way to lose a chain and then lose a leg or worse.
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Old 01-16-2008, 7:26 PM   #13
 
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Re: Is having a worn rear sprocket bad?

I will get some new sprockets and a chain in a month or two.

Right now I ride the bike but don't do any hard shifting.

I feather the clutch when I shift just so slightly to avoid the violent shifting and jerking on the chain.



Just took this bike out for a long ride today and I must say I am so impressed and grateful to have it.

It really does stop and turn on a dime. You know how you can roll the bike forward at a good speed, then stop suddenly and stay upright perfectly balanced for a split second without putting either foot down?

Well this bike does that with ease. It makes me look like a skilled rider!

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