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Posted on Oct 17, 2009

I have a Kohler Command 17.5 model# CV491S. It will not start and violently backfires through the carburator and exhaust. Is this a timing issue and if so how is this fixed?

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  • Posted on Oct 17, 2009
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IS YOUR MACHINE A J DEERE?

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  • Posted on Apr 03, 2010
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Replace air filter and spark plug with new
check oil level problem solved

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Kohler 17.5 HP Command engine, model CV491S, spec 27509. I need to adjust valves, rocker arm bolt does not have set screw lock, how do you adjust gap please?

Question edited to toss in some CAPS.
Question moved from Cars and Trucks.

It states that the CV series have hydraulic lifters.

Check out the link and the videos.

https://www.google.com/search?q=kohler+cv491s+valve+adjustment

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