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post #1 of (permalink) Old Dec 27th, 2009, 1:52 pm Thread Starter
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Join Date: Oct 2007
Location: Boulder, CO, USA
Posts: 667
Closer shims stuck

I'm doing a valve adjustment on my 998. Vertical cylinder was all in spec but on the horizontal cylinder all of the openers were too tight and all of the closers were too loose. So I pulled the cams, removed the opener shims, and miked them. All easy enough. I can't get the closer shims off though. They seem to be seized on the valve stem so that I cannot slide them down to expose the half rings.

Has anyone else run into that and what did you do to get them loose? I did a search, didn't come up with anything. I can't be the first person to encounter this though! I guess one idea is to try that trick where you stuff a bunch of rope into the cylinder and use that to hold the valves closed. Then maybe I could crack the shims loose.


96 M900, a few non-Ducatis
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