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Brake caliper - grease or not?
There is a tech article in a recent Motor Cycle Monthly (free sheet distributed with magazines, for those not in the UK) on cleaning brake calipers. It gives the usual advice on taking pads out and cleaning the pistons, and then advises to give the pistons a light coat of copper grease before reassembling. I had always thought that the standard practice was to leave the pistons clean of anything that might attract dirt and damage the seals. Also, I was under the impression that copper grease would damage the rubber dust seals long-term. (The article advises proper rubber grease for the sliding pins.)
I thought I would throw this to the forum to see what you guys think, as I am a bit confused.
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