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Thread: Thermostat gaskets replacements?

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    Dances With Sheep GREGFEELER's Avatar
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    Mar 2003
    Boise, ID

    Thermostat gaskets replacements?

    I decided to test the thermostat in my 1990 K75 while doing some other services. It passed fine, but the old gaskets could stand to be replaced. There are two: a special sized O-ring which seals the thermostat cover/retainer (which is available from BMW), and a grooved square-sided gasket which covers the edge of the thermostat "disk" and seals it in the thermostat housing (therefore it must be exactly the right dimensions). THAT gasket appears to only be available with a new thermostat ($55.00!!) according to the on-line BMW parts listings! Does anyone have a known source for a replacement thermostat body gasket? Thanks.
    Last edited by GREGFEELER; 12-04-2012 at 05:36 PM. Reason: Misspelled word.
    Greg Feeler
    Ambassador & amateur K-Bike collector, it seems
    1972 R75/5, 1990 K75, 1990 K1, 1992 K75S, 2003 K1200RS

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