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urgent help please. cbr 125

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The Artist
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PostPosted: 19:08 - 25 Nov 2008    Post subject: urgent help please. cbr 125 Reply with quote

cbr 125. 04 or 05.

Rear wheel. "grinding noise"

I take it home, have a look at it, seems bent or something. Take rear wheel off.
I pull the sprocket off with half of the cush drive stuff and all these bearings fall out, bits of broken and sheared metal. Some spacer type things and a rubber seal.

I would like to know if anyone has some sort of exploded diagram of this.

Anyone had this happen before?
It is not the wheel bearing, 99% sure its not anyway.

Can anyone explain what these parts are called techincally. I don't want to be asking for "cush drive bearing thingys"

Thanks
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Keir
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PostPosted: 20:45 - 25 Nov 2008    Post subject: Reply with quote

sprocket carrier bearings?
rear wheel bearings?
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geordiecbrblo...
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PostPosted: 21:27 - 25 Nov 2008    Post subject: Reply with quote

Keir_K3 wrote:
sprocket carrier bearings?


^ what he said seems the most likely if it all fell out with the cush drive...
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yen_powell
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PostPosted: 21:36 - 25 Nov 2008    Post subject: Reply with quote

There are usually three wheel bearings, two in the hub and the third in the sprocket carrier. The one in the sprocket carrier probably has a sleeve that slides into the inside of the bearing.

The two bearings in the wheel will have a tube between them. There will be a seal on the outside two bearings that you can still see when the wheel is fitted to the bike.
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geordiecbrblo...
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PostPosted: 21:43 - 25 Nov 2008    Post subject: Re: urgent help please. cbr 125 Reply with quote

allymoss wrote:
Can anyone explain what these parts are called techincally. I don't want to be asking for "cush drive bearing thingys"


It is called the sprocket carrier bearing and will be a sealed bearing similar to this:

https://images.wemoto.com/bearings/ddubearing.jpg
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The Artist
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PostPosted: 22:17 - 25 Nov 2008    Post subject: Reply with quote

Ok thanks guys.

Yes the wheel bearings are fine. It is the sprocket carrier bearing.
It doesn't look like a bearing at the moment because it has broken and fallen apart.

The chain was loose prior to this incident aswell. I have found bits of it e.g. the balls and the centre piece with a groove round the middle for the balls to sit in.

Anyone know where I can buy one of these? Online preferably.


The owner has said she needs it on the road asap so im thinking if I can't get a bearing quick enough, buy an entire wheel and fix the broken one in the meantime.

Thanks for your help.
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Keir
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PostPosted: 22:25 - 25 Nov 2008    Post subject: Reply with quote

www.wemoto.com - around £4.50 + delivery
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Current : '08 Yamaha FZ1s
Previous: '99 Honda CBR 600FX, 03 ZX636 B1H, 99 Fazer 600 (red), 02 GSX-R 600 K2, 00 SV650s (red), 2008 ZX10R, 97 Bandit 1200N, 04 ZX6RR K1H, 04 GSX-R 1000, 98 Fazer 600 (gold), 05 Madness 110 Pit bike, 04 CR125R, 00 SV650s (black), 06 KTM 625 SMC, 99 SRAD 600 track bike, 03 SV650, 98 Bandit 1200N, Bandit 600SY, 03 GSX-R 600 K3, 01 GSX-R 600, 01 Fazer 600 (black), VFR 400 NC30 x3, 78 Honda Dream, 00 Speedfight 50
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yen_powell
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PostPosted: 00:02 - 26 Nov 2008    Post subject: Reply with quote

allymoss wrote:
Ok thanks guys.

Yes the wheel bearings are fine. It is the sprocket carrier bearing.
It doesn't look like a bearing at the moment because it has broken and fallen apart.

The chain was loose prior to this incident aswell. I have found bits of it e.g. the balls and the centre piece with a groove round the middle for the balls to sit in.

Anyone know where I can buy one of these? Online preferably.


The owner has said she needs it on the road asap so im thinking if I can't get a bearing quick enough, buy an entire wheel and fix the broken one in the meantime.

Thanks for your help.
Find the bit of bearing casing that has a 4 figure number stamped into it and you can get a bearing in any bike shop or bearing factor (yellow pages for one of those) with that. Ask for double shielded type.
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The Artist
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PostPosted: 00:09 - 26 Nov 2008    Post subject: Reply with quote

thanks so much for the help guys.

Just ordered from wemoto. Totally forgot how awesome they are.
Also ordered a clutch lever holder thing that she broke when she fell off.

Thanks very much

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