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Kohler K301 12 Hp - keeps blowing head gasket - suggestions?


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20 replies to this topic

#16 olds45512 OFFLINE  

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Posted June 30, 2016 - 09:18 PM

i usually put a small dab of anti seize on the head bolts before i install them, i don't use oil because i'm afraid the oil will get on the head gasket and ruin the seal. 



#17 framesteer OFFLINE  

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Posted June 30, 2016 - 09:42 PM

I'd second the anti-sieze method.  Like oil, it makes the threads more slippery, so you will need to increase the tightening torque to get the same amount of bolt stretch (gasket compression) that you would with dry threads.  Main advantage of anti-sieze is that the graphite remains after the heat burns off the oil, and the bolts can be removed later.



#18 KennyP ONLINE  

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Posted July 02, 2016 - 07:16 PM

On page 133 of the Kohler Single Cylinder Service Manual.

Here's the screenshot:

 

ScreenShot029.jpg


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#19 skunkhome OFFLINE  

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Posted July 02, 2016 - 10:44 PM

Be sure to torque the bolts in the correct sequence also. That can be found in here.


What Kenny said.

#20 Reddhogg OFFLINE  

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Posted July 16, 2016 - 05:16 PM

Just signed up , you might look at the carb shaft ,if it is loose a lean condition can be hard on head gaskets

#21 propane1 ONLINE  

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Posted July 19, 2016 - 07:46 PM

Thanks Kenny,

Noel
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