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Old 23-03-2016, 05:35 PM   #9
Mr Gazza
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Join Date: May 2013
Location: Norwich
Bike: M900sie
Posts: 5,831
Dirty or black clutch fluid is very common.

It will probably not stay clean for very long.
Nobody seems to know why that is. My theory is that it's black from the alloy wearing in the slave bore, by normal piston travel or by spinning caused by the rotating pushrod.

Your guess is as good as mine though.
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