Kohler Head Gasket Problem list
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16 years ago
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davidld
16 years agofisher40037
16 years agoRelated Discussions
kohler cv25s engine problem
Comments (4)I would think for $225, that would be a relatively inexpensive repair- considering that the price of a new engine is probably a large proportion to what the tractor is worth (depending upon age, condition etc.) I would wonder why the valve "blew". Did a lifter go bad? What's the valves & lifters etc like on the other side? The only thing I'd be concerned about is any other "hidden" damage....See MoreKohler 25 hp problem????
Comments (16)i got a big oil use issue with a Kohler twin SP27 using a lot of oil and fowled plug on the the oil cap side of the engine. FYI, i read somewhere on the net to check the reed valve- whatever that is- a busted or defective one leads to excessive oil use apparently. Anyway, my low oil pressure light was not working from the start, and i ran mine with low or no oil - real smart i am. Now, i am looking for a short block to get me going again. the thing runs but uses an unsustainable amount of oil because the oil rings on the piston and bore are probably damaged - i think. As i have to add oil again after a couple of hours hard running, and even one cylinder stopped firing because of the oil on the plug. I think the compression and oil rings are gone, and it would have been due to running it on a hot day/week with low oil, from what i am recollecting about the machine usage and engine noises. the machine was showing 20% pressure loss on one side, after only 200 hours. Another veteran mechanic said that all air cooled engines all use some oil as a part of normal running, and that it is important to keep an eye on your oil levels at all times, or you will get what i got. The mower repair guys said i 'dusted' the engine by not maintaining clean air filters, but i am pretty certain i damaged the engine rings and bore because of low or no oil. i am going to order a new engine from the USA , and have the old one rebuilt in a engineering shop that specializes in cylinder sleeves and pistons. Its an expensive pain in the rear but, having a spare good engine block ready to go is the only way i can think of to control the engine reliability situation long term ....See MoreKohler 25hp Head Gasket Replacement
Comments (9)Hello Tom and Wheelhorse, I completed the head gasket replacement, and must say it is a straight forward jobbie. I did find on the head which was leaking what appears to be some headgasket mateing surface damage which only could have occured during assembly at the factory. It has 3 dented in places where whomever was assembling the engine wasn't careful. The worst dent at the bottom was where my gasket had begun to erode "blowthrough". I'm wondering if this was the start of my problem with the leaky one. My digital camera won't take very good closeups. It is about 15 years old. I had another pair of heads I bought over 5 years ago off of ebay. The person selling them said they had 50 hours on them, and by being almost void of carbon, I think he was telling the truth. So I replaced the leaky head with one which had a perfect mateing surface. Installed acording to the manual assembly procedure, and all is well so far. Question, is it possible to have the cylinder head flycut about 0.005 and still have a useable item. I think that's all it needs to restore it to useable condition. Thanks again Tom for your insight, and Wheelhorse. Gilson...See MoreKohler CV14S, 1428 blown head gasket.
Comments (2)No, they are not problematic if that is what you mean. They will at times develop a loose exhaust seat if it can't cool properly. It sounds like you did the repair already?...See Morepresmudjo
16 years agodavidld
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16 years agoshelbygt
16 years agogypsy1969
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16 years agotomplum
16 years agoHU-695218708
5 years ago
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