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I need to know the valve clearance for a kohler 24 hp engine

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Intake Valve Lash8 0.127 mm (0.005 in.)
Exhaust Valve Lash8 0.178 mm (0.007 in.)

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How much compression should a kohler 25 hp engine have

hi there

there are no published compression limits for kohler

the prefered method is to have the cylinders leak tested , because of the decompressor action built in while trying to compression test

but off the top of my head most machines would run best with a minimum of 100 psi or better
given that these have a compression ratio of 9:1

you could work it out

9:1 X 14.7 PSI ( 1 amtmosphere ) @ sea level = 131.00 psi

compression ratio = swept cylinder volume + clearance volume (@ tdc) divided by clearance volume

here is web site for obtaing service manual

login as guest
select command pro twin -ch/cv 17-26

go to service manuals , select sm 24-690-07 file is 8.82 Mb and double click it and save a copy to your hard drive

cheers hope it helps


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