Kohler KT17


Old 10-10-12, 05:05 AM
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Location: USA
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Kohler KT17

Hello! I've got an Allis Chalmers 917 garden tractor with a Kohler KT17 engine that all of a sudden started drawing oil up into the air filter and saturating it causing smoking and stalling of course. I did a compression check and both cylinders were equal at 90#. I can't see anything else wrong and the manual isn't much help. Could the breather be bad? Is it like a check valve? Any thoughts would be greatly appreciated!
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Old 10-10-12, 04:26 PM
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Join Date: Jul 2001
Location: USA
Posts: 16,818
Is the oil thin and does it smell like gas? The fuel pump can leak internally and flood the crankcase with gas, which would cause your problem. Otherwise, I would take the breather apart and make sure the filter material and all are in place and clean it.

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