Quote:
Originally Posted by utopia
It may contribute to oil movement but if it does I would say that its probably a happy accident rather than an intended design ploy.
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Quite possibly and obviously it would be an unnecessary cost to grind it but oil should stick better than it would to a 'polished' surface. Indeed when I've removed mine there has been quite a coating of oil on it.
As for the bleed hole, I don't recall seeing one and if there is one it must be a fair way back from the bearing because there's quite a length of shaft inside the clutch with bearing being in the end, as per these pics;
