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post #1 of 7 Old 05-15-2019, 06:09 PM Thread Starter
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Kohler cv15s will not start

Fuel pump was bad. replaced it. rebuilt the carb.. Installed a new pickup coil at the flywheel. used a business card to set the gap. have strong spark at the plug. have fuel to the carb.. Have a backfire at the exhaust. any reason it won't start. Tried either and that didn't work. It is getting gas to the plug. I could always put in a new plug, Any thoughts?

Last edited by Dan Hewitt; 05-15-2019 at 06:26 PM.
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post #2 of 7 Old 05-16-2019, 01:26 AM
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Re: Kohler cv15s will not start

Is this a new-to-you engine, or was it running fine before the fuel pump went bad?

You could check that you are getting good compression.
It's also possible the spark plug is bad, in that it doesn't spark when under compression, so you could try a new plug.
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post #3 of 7 Old 05-16-2019, 08:51 AM Thread Starter
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Re: Kohler cv15s will not start

I will check the fly wheel key first. It has a new plug and strong spark.
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post #4 of 7 Old 05-16-2019, 09:42 AM
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Re: Kohler cv15s will not start

Bad intake valve just did one on my 16 cvs cost was 65 dollars to have valves ground etc. I did the labor.
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post #5 of 7 Old 05-16-2019, 10:14 AM
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Re: Kohler cv15s will not start

I have heard of people putting the coil on upside down.
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post #6 of 7 Old 05-16-2019, 08:38 PM Thread Starter
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Re: Kohler cv15s will not start

Fly wheel key is sheared off. I'll get a new one tomorrow.
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post #7 of 7 Old 05-17-2019, 12:58 AM
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Re: Kohler cv15s will not start

thanks for posting what the problem turned out to be.
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