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Kohler K321


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#1 Enginerod OFFLINE  

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Posted February 06, 2011 - 08:11 PM

I was wondering how important the balance gears in a K321 are. You hear of people leaving them out of Briggs engines and it not making any difference. Anyone have any experience with this?
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#2 Enginerod OFFLINE  

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Posted February 06, 2011 - 09:18 PM

I guess I answered my own question by doing some internet research. Everyone says leave them out because kohler didnt put them in every engine, you cant tell the difference and if the balance gear bearings go bad, and I guess they are prone to, it can lead to catastrophic engine damage!
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#3 Texas Deere and Horse OFFLINE  

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Posted February 06, 2011 - 09:29 PM

I never put one back together without putting the counter balance gears, so I can't tell you for sure..Sorry !
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#4 olcowhand OFFLINE  

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Posted February 06, 2011 - 09:36 PM

I never put one back together without putting the counter balance gears, so I can't tell you for sure..Sorry !


I'm the exact opposite of Brian...I never leave them in once I get into a K.
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#5 Texas Deere and Horse OFFLINE  

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Posted February 06, 2011 - 09:52 PM

Thanks Daniel,
I was once told by a life long Small Engine Mechanic that the engine will have a lot of vibration without them in, so I always have put them back in. Maybe the next, I will leave them out and see how it runs.
Thanks again..
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#6 olcowhand OFFLINE  

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Posted February 06, 2011 - 09:59 PM

I can barely notice the difference without them, & mostly only at lower speeds. Seen too many of the balance gears make picture windows in blocks, so I always take them out.
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#7 Texas Deere and Horse OFFLINE  

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Posted February 06, 2011 - 10:12 PM

Good to know Daniel, I will remember that..
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#8 poncho62 OFFLINE  

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Posted February 07, 2011 - 06:52 AM

I was told, that if you leave them out, to get the crank rebalanced to 57 degrees....or something like that...to get rid of vibration........Whatever that means
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#9 olcowhand OFFLINE  

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Posted February 07, 2011 - 10:00 AM

I was told, that if you leave them out, to get the crank rebalanced to 57 degrees....or something like that...to get rid of vibration........Whatever that means

Yes, you can truly balance the crank, but I've ran engines for years after simply removing the gears, with no ill effects. That said, a true balanced crank has to be better.
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#10 middleageddeere OFFLINE  

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Posted February 12, 2011 - 02:27 PM

How difficult are they to take out?
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#11 mjodrey OFFLINE  

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Posted February 12, 2011 - 03:16 PM

middleageddeere,:welcometogttalk:

Glad to have you with us.
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#12 middleageddeere OFFLINE  

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Posted February 13, 2011 - 12:04 PM

Thanks!
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#13 mikebramel OFFLINE  

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Posted February 13, 2011 - 12:30 PM

Just some snap rings
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#14 olcowhand OFFLINE  

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Posted February 13, 2011 - 12:56 PM

Just some snap rings


Yes, easy to get out...pull the pan, pull the clips, & pull the gears.
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