2005 Kohler courage tappet issue


Old 04-20-12, 11:08 AM
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Join Date: Apr 2012
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2005 Kohler courage tappet issue

Kohler twin cam courage tappet keep loosening.
We replaced the tappets and tightened the new tappets down.
One tappet is fine but one will loosen up.
The nut does not loosen but the tappet will after running for less than 5 minutes.

Any help with this issue?
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Old 04-20-12, 06:37 PM
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Join Date: Feb 2008
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Hello Hobo888,

Could you please post both the engine model and spec numbers so we can get on the same page ?

Old 04-20-12, 08:28 PM
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I'm not understanding how the nut can be tight, but a tappet is loosening? What are you calling the tappet? I'm not sure the terminology is correct, or I'm just missing something.

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