RicK G

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Number of posts : 12361
@BooG wrote:I have seen some footage of a guy who grinds down the valve shim in question to the correct spec using a mounted wheel grinder. Anyone ever done that, and is it acceptable to do? Gonna do mine softly as I've got nearly 90,000 on the Odometer and they've never been touched. Some popping on decelaration has made me want to do them.

If you grind the shims you run a good chance of them cracking and if you have ever seen a cylinder head after that has happened then you will know for sure why and what happens. The head wont even get good scrap value because of the fine particles of embedded steel.
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"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived." Dalai Lama
Bikes 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki