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Kohler Engine problem

18 years ago

I have a kohler 25 horsepower command. It is running on only one cylinder. I replaced the coil and spark plugs. Plugs and coil fire when checked. Compression is 130 on the cylinder not running. And 145 on the cylinder firing. When deck is turned on the motor will pop and snap. Any suggestions as to what I can try next to get the other cylinder to run?

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Comments (4)

overkillphil
18 years ago
Are you sure you are getting proper air/fuel mixture to that cylinder? Is your carb split for each cylinder or maybe dual carbs like a Tec?
tomplum
18 years ago
Does your engine have SAM? There are service manuals @ kohler.com , but officially you need a tester. The 1 cylinder won't run at all? Any abnormal oil smoke?
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tomplum
18 years ago
It just occurred to me that this spring, another tech had one that had one with a funky carb that for what ever reason wouldn't run both cylinders. Boggles the mind sometimes.
tracyjones
Original Author
18 years ago
Engine does have a SAM (speed advance module). I did not know there was a SAM until I read your posting. I found out this was the problem. Thanks for all your help. Looking for the best price SAM now!

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