Kohler Courage 24hp 725cc

D Sherrt

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Joined
Aug 20, 2017
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This motor is running lean, I have checked the carburator, and the fuel shut off sol. I replaced the fuel pump because it was failing but the motor still seems to be running lean and hot! It has a plastic intake, have there been problems with these manifolds , cracking, leaking, etc.
 

Bleach

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Joined
May 27, 2017
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Lean running could indicate a vacuum leak possibly as your post mentions from a cracked manifold.
 
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