Rear brake works poorly if at all!

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eugeart
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Rear brake works poorly if at all!

#1 Unread post by eugeart »

I noticed my rear brake on the 83' Honda cbx stopped responding suddenly. I checked the pads. They had plenty o'meat on them. I then bled the rear and had my rear brakes again. The bike sat for a few days and the brakes have returned to the prior no-performance state. I checked the reservoir and the fluid is at the low mark- the way it was after I bled them. The fluid looks good too. Very clean, clear and without discoloration.

What do ya'll think it could be?
The only time I feel any real catharsis is on a MOTORCYCLE!

1993 GSX 750F Katana; 1983 CBX 550F
[img]http://home.grandecom.net/~eugeart/PIX/CBXfinal1.jpg[/img]

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Wizzard
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#2 Unread post by Wizzard »

I cannot imagine fluid loss without you noticing it . Not having discs on the rear of my scoot and not having that problem with my front disc leaves me without an answer for you . Betcha someone will be along shortly with some theories tho .
Regards , Wizzard
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, throughly used up, totally worn out, and loudly proclaiming --- ' WOW, WHAT A RIDE!!!! ' " - Author Unknown

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eugeart
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#3 Unread post by eugeart »

I didn't see any loss of fluid.I bled the brakes and the fluid dropped down to the low level mark in the reservoir and has stayed at that point. I just hadn't filled it yet to the max line.

Could it be that road conditions bounced a little air back into the lines since the fluid wasn't at the max level?
The only time I feel any real catharsis is on a MOTORCYCLE!

1993 GSX 750F Katana; 1983 CBX 550F
[img]http://home.grandecom.net/~eugeart/PIX/CBXfinal1.jpg[/img]

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flynrider
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#4 Unread post by flynrider »

eugeart wrote:Could it be that road conditions bounced a little air back into the lines since the fluid wasn't at the max level?
That's quite possible. I've had that happen before on my bikes and planes (danged turbulence).
Bikin' John
'93 Honda CB750 Nighthawk

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BuzZz
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#5 Unread post by BuzZz »

Re-bleed 'em and keep the level up..... think of it like gas, you don't want to be riding around on 'Min' all the time, eh? :wink:
No Witnesses.... :shifty:

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eugeart
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#6 Unread post by eugeart »

OK!! I finally got back to the brakes and re-bled the rear after topping the reservoir up. Then refill. Seems to be working fine now after a few days. I bled the front too. They seem to need flushing but I'll get around to'em eventually.

Seems MIN on a reservoir really means "fill to MAX or no brakes".
The only time I feel any real catharsis is on a MOTORCYCLE!

1993 GSX 750F Katana; 1983 CBX 550F
[img]http://home.grandecom.net/~eugeart/PIX/CBXfinal1.jpg[/img]

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