Kohler engine making a whining noise

Mike00

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Jul 20, 2019
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I recently replaced both ignition modules and spark plugs on my CH 740-0054 Kohler engine. After reassembling, I started motor and have a loud ‘whining’ noise. I removed the screen guard, rotated the crankshaft and checked the plastic fan to see if it was binding. All looks ok.
Any thoughts on what the noise could be?
Thanks, mike
 

Scrubcadet10

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What did you set the air gaps at on the coils?
 
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