squeaking rear break at rolling speeds after a sptrip down

[Hobgoblin]

Had the 1999 cg 125 W in bits yesterday for a clean and a paint, im sure ive put everything back together as it was, but, now at rolling speeds when applying the rear break it makes a horrible squeekey noise. anyone have an idea of what ive done? thanks
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Plodding along on my CG

[dansidi]

I had this with my YBR. I think it was just a bit of grease got into the drum (not recommended). The squeaking went away after two days. The rear brake was working during this time but not quite as effective. After 2 days it was working perfectly.

Hope your problem goes away as easily as mine did!
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current bike to first bike: SV650s K3, YBR125, Vespa GT125, Vespa ET4-125, Suzuki CS-50 (!!)
Mod 1 passed 02-11-2012
Mod 2 passed 05-12-2-12

[Teflon-Mike]

'Stripped the back end down'?
What does that mean?
You took the back wheel out? You removed teh swing arm? Took the mudguard off perhaps? DONT give us much to go on.

Squeeky brake.... have you trapped a mouse in the brake torque arm?

Otherwise, IS it the brake? Is it wheel bearings? Is it the brake back plate not sitting straight in the drum? Is it the shoes in the drum? Are they properly aligned ON the pivots? Have you pulled the cam out of line, so they are sitting 'cock' to the drum? DID you adjust torque arm and actuation rod when you pulled it apart/put it back together, so the shoes are rubbing? Did you clean out all the brake dist? Did you dislodge brake dust in the webs at the back of the drum, and not get rid of all of it, so you actually have more 'crud' floating around in the swept area?

Known fault on CG's is the brake pedal pivots on same pin as the centre stand... did you remove stand and pedal & grease?

When you adjusted, we presume you diod it bike on Centre stand, but lifting stand up, is that dragging teh brake 'on' a bit?

Go back, check over, re-do, and re-do CAREFULLY
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My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?'

[Pete.]

You've put the springs on the brake shoes wrong, either on the wrong side of the shoe or got them swapped around (if they are different shaped springs), or even one of them needs flipping end for end. When you do this the coil of the spring scrapes on the hub of the drum.

Sounds nasty doesn't it
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good

[Hobgoblin]

yeah had the full back wheel off, took the pads out for a look and then set the brakes back up for when the pedal is pressed they come on by the nut on the rod with the spring. thinking i might of done what pete says and they either need flipping one way of the other. bugger, hope it just goes away though, would this be an MOT failure?
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Plodding along on my CG

[Walloper]

[Hobgoblin]

fank thuck in deed
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Plodding along on my CG

[Pete.]

[Hobgoblin]

best get back too it then, or just lay off the rear brake as much as safely possible till i can?
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Plodding along on my CG

[Noxious89123]

Riding with dodgy brakes is bad.
Riding when you know your brakes are dodgy is worse.

Just sayin'
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'06 Honda CBR125RW-6 ~ '00 Honda CBR600F-Y ~ '07 Honda CBR600RR-7 ~ Bikeless
'53 Ford Ka 1.3 ~ '03 Vauxhall Astra SRi 1.8 ~ '52 Vauxhall Astra SRi 2.2 ~ '53 Vauxhall Astra GSi