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Engine (Kohler 321S) Blew, Possible Rebuild?

engine kohler 14 k321s

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22 replies to this topic

#16 Cvans ONLINE  

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Posted March 07, 2012 - 09:40 AM

If you re-installed the original rings the odds of you getting them positioned exactly as they were is about one in a million. This means that they will not seal like before as your cylinder was slightly out of round and so were the rings. You'll just have to live with a little blow-by from the breather. If you had honed the cylinder before reassembly your rings would have re-seated much better over time. Just run it until the next tear down.
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#17 frenchy OFFLINE  

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Posted March 12, 2012 - 11:11 AM

Thanks Cvans and JDBrian. I've been sick for the past 5 days, so i'm hoping to get the governor adjusted this week. Crappy part is that there will be no need to clear snow as the forecast is calling for mid-teens (celsius) this week! Oh well, I need the blade to move some gravel this spring anyways!

#18 frenchy OFFLINE  

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Posted March 15, 2012 - 12:05 PM

Ok here's the topic closer....

Problem: Hole busted out side of engine
Diagnosis: Balance gear needle bearing failure
Remediation: Remove engine, dissasemble, remove balance gears, clean all parts, patch casing hole with leftover piece of casing and JB Weld, reassemble engine, re-mount engine, change all fuel lines, adjust governer and all is peachy!

thanks all who contributed, you have save me money that I couldn't afford to spend on a new engine or tractor!

Frenchy

#19 BairleaFarm OFFLINE  

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Posted March 15, 2012 - 01:16 PM

Any size hole is fixable, well, most of the time. :-)

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#20 JDBrian OFFLINE  

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Posted March 18, 2012 - 07:07 AM

Man that was a huge blowout in the side of that case. Someone did a super job of welding up that cast!!

#21 frenchy OFFLINE  

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Posted March 19, 2012 - 12:17 PM

For inquiring minds, here's a video of the Kohler running (prior to adjusting the governor)

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#22 KennyP ONLINE  

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Posted March 20, 2012 - 06:01 AM

Glad you got it going again. Thanks for the video.

#23 8tyman8 OFFLINE  

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Posted March 26, 2012 - 03:12 PM

Man that was a huge blowout in the side of that case. Someone did a super job of welding up that cast!!

ya know what they say when a kohler blows a kohler blows





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