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Discussion Starter · #1 ·
Does this caliper look used-up?
I'm concerned about that circle with the cross-hatched pattern at the bottom of the cylinder.


Edited by - dmkinsey on Jan 13 2008 8:47:15PM

Edited by - dmkinsey on Jan 13 2008 8:49:03 PM

Edited by - dmkinsey on Jan 13 2008 8:58:29 PM

Edited by - dmkinsey on Jan 26 2008 10:23:48 PM
 

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Discussion Starter · #3 ·
Sorry,
It's for my '86 Honda 700. This bike has a dual rotor front with a drum rear. The fronts are dual piston calipers.
I think one of the pistons on this caliper was stuck. I used compressed air to get it out of the caliper and the fluid behind the piston looked like snot. The piston has some marks on it and some pitting so I'm going to replace them both. I suspect that the other caliper will probably be the same.
The cylinder walls look good.
I think all these parts are original equipment. The guy I bought it from kept a log of everything he did to it and there's no mention of brake work. Besides being twenty years old this rig also has 30,000 miles.
My current theory is that there's a liner in the cylinder. That would make sense in terms of manufacturing. I think the metal at the bottom of the cylinder has disintegrated and the "stuff" is some adhesive. It's not building my confidence in this caliper.

Thanks for taking a look at the picture.




Edited by - dmkinsey on Jan 14 2008 12:32:21 PM

Edited by - dmkinsey on Jan 14 2008 4:19:04 PM
 

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Discussion Starter · #5 ·
I took it to the dealer and the service guy said "Yeah, that's OK. There was some water in the fluid."
 
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