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Old 16-03-2017, 09:31 PM   #1
TimM900
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Join Date: May 2016
Location: Norwich
Bike: M900
Posts: 48
Changing valve stem seals- M900

Hi all, is it possible to change the valve stem seals on a 93 M900 without removing the cylinder heads? I found a very old post elsewhere (link below) which suggests it is, but having begun to try it on the rear exhaust valve I am having some doubts.

I have entirely removed the opening rocker and its shaft as it would not move far enough to one side when the clip was off. I can then depress the closing rocker and can see there is enough room to remove the closing shim and half rings. However, I am concerned that there would not be enough room to get the new seal down past the closing rocker, and aren't entirely sure of the best approach for stopping the valve dropping too far while doing all this either.

http://www.ducatimonster.org/forums/...ide-seals.html

All thoughts appreciated
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