Question about Kohler Command Pro OHV Horizontal Engine with Electric Start 25 HP,
Posted by Anonymous on
Make sure the choke is coming off. Check the compression.Many times the head gasket may leak when the engine heats up. Also check for spark sometimes the magneto can heat up and quit after running a while. See if it will run if you prime with a little fuel, if so ,some of the Kohler engines this size have a fuel pump that could be failing. Check for vapor lock. It takes air and fuel properly mixed, spark and compression any of these missing the engine dies.
Posted on Aug 06, 2014
Check that the keyway for the flywheel to the crankshaft hasn't sheared. This is a common problem that throws timing very far off causing backfire and no-starts.
Posted on Nov 02, 2009
The woodruff / flywheel key is likely partially sheared. Pull off the air housing, remove the starting clutch, to get to where you can see the flywheel key. I bet you will find that the key has distorted. Easily replaced once flywheel is pulled. Make sure to use the correct key when replacing it.
Posted on Jun 12, 2010
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