18 HP Kohler no spark ~ HELP!


Old 08-05-07, 11:18 AM
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18 HP Kohler no spark ~ HELP!

Hubby and I are trying to get this mower to run. It worked fine a week ago. It is a big Excel Hustler 251 K. We have cleaned the magnito and still have no spark. This engine has two spark plugs and it seems unlikely that both would go bad at once. What else is there? It turns over fine. Thanks
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Old 08-05-07, 07:04 PM
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Does this engine have smart spark? If it does then if one of the CDI's fail it can cause a no spark condition on the other side as well.

You can download a service manual that has testing procedures for most Kohler engines at the Kohler site.


You must use internet explorer to access their site and you can log in as a guest. Then just select the appropriate service manual.

Best of Luck....
Old 08-05-07, 08:59 PM
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Or a safety switch could be killing the ignition.
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