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Garden Tractors Discussion Forum

Re: Kohler K341 (16hp) cylinder honing

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Author  [Modern View]

01-03-2014 19:32:38

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I have always honed the cylinder and been pretty satisfied with the results. So far I have put new rings in 6 or seven K-series Kohlers, among several other types of engines.

That said, I understand from their service manuals that there are certain Kohler engines that Kohler does not recommend honing the cylinders when installing rings. Certain of the Command series Kohlers had what they call "hard Bore" (or some such)cylinders and they do not recommend honing them before installing new rings.

Although the manual does not say, I would guess that honing a hard cylinder liner may produce a surface that either quickly wears out the rings or that never wears to match the rings. Either way it would result in an engine that consumes excessive amounts of oil.

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Farmall Bob

01-04-2014 00:24:51

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 Re: Kohler K341 (16hp) cylinder honing in reply to t.r.k., 01-03-2014 19:32:38  
t.r.k., that's interesting. A harden bore could be tenths may be thousandths thick, and yes if honed just may break through that harden surface. Just to be on the safe side I would dial bore the ID of the cylinder and see what readings there are. If it were in tenths I wouldn't touch it. Bob

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01-11-2014 09:16:12

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 Re: Kohler K341 (16hp) cylinder honing in reply to Farmall Bob, 01-04-2014 00:24:51  
A hardened bore ??????

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01-12-2014 12:44:52

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 Re: Kohler K341 (16hp) cylinder honing in reply to Earl-IL, 01-11-2014 09:16:12  
yes, it is a Cobalt? I think, I have seen Command engines with 2500 hours and no wear.In fact those cylinders have so little wear that Kohler does not show any OS pistons on a CH25 engine.

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