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Originally Posted by dc lindberg
Am I the -only- one who have tested to go retro on the beemer shaft service and maintenance?
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The history is a bit unclear (at least to me). BMW used oilbath in some (all?) of the earlier bikes. There are multiple versions of the housing and you can find housing with a filler plug ( RealOEM.com � BMW K66 R100GS REAR WHEEL FORK ) and there is also housings with drain-plugs. I’m not sure if you find houses with both filler and drain plugs.
There are several theories why the oil was removed, some of the theories are:
-The new bearing-design didn’t need oil
-Oil clean out the grease from the bearings
-Oil destroyed the rubber-damper
-Oil leaked through the rubber-boot
-Oil leaks through the sealing to the final drive which might result in an overflowing finaldrive.
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