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Help Kohler K301A Balance Gears


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#1 bgkid2966 OFFLINE  

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Posted November 19, 2013 - 06:00 PM

So the engine is out of my 129 to remove the balance gears and the bottom gear has been removed and the snap ring on the top gear has been removed. The dilemma is removing the top gear. It will not come off past the crank and the bolt boss for the starter generator.  Is there a good way to remove it without pulling the crankshaft?  HELP

 

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Geno

 

 

 

 


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#2 KennyP OFFLINE  

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Posted November 19, 2013 - 06:06 PM

Yep! Break it!


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#3 LTD OFFLINE  

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Posted November 19, 2013 - 06:19 PM

:ditto: what Kenny said. Give a couple hard smacks with a hammer and chisel, and it will break. Then take a magnet and get the large pieces out and the rinse the block out with diesel fuel.


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#4 Enginerod OFFLINE  

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Posted November 19, 2013 - 07:39 PM

Break it! You only have to knock a few teeth off and then get the crank in the right position to get it out.


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#5 dodge trucker OFFLINE  

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Posted November 19, 2013 - 07:50 PM

I have a M 12 (Magnum, same as a K301 except for elec ignition)  apart  too. fresh bore, fresh valve job, freshly machined crank 0.010 under. have all corresponding under/oversized parts as needed. This was a balance gear engine, debating on putting them back/leaving them out upon reassembly.


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#6 bgkid2966 OFFLINE  

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Posted November 19, 2013 - 08:11 PM

I decided to remove mine after reading this thread (http://gardentractor...+balance +gears)  

 

I do not want to lose my engine.

 

 

Geno



#7 js5020 OFFLINE  

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Posted November 19, 2013 - 09:41 PM

When I redid the K341  I took them out.  If they let go chances are you will lose the block.  I'll take some vibration rather than totally destroy an engine.


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#8 LilysDad OFFLINE  

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Posted November 20, 2013 - 09:09 AM

I have a K341 that came out of a genset that never had the bal. gears. They aren't absolutely necessary.


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#9 bgkid2966 OFFLINE  

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Posted November 20, 2013 - 11:08 AM

Broke the upper gear to get it out! Thank you for the procedure.

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I am glad the gears are out! In the pictures you can see the wear on the stub shafts. No more worries! :smilewink:

 

 

 

 

 

Geno

 

 


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#10 Walkinman1 OFFLINE  

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Posted November 21, 2013 - 03:03 AM

How did you break it Geno? Just a hammer and chisel? I'm curious as I have several Kohlers I'm gonna need to do this to soon...

#11 skyrydr2 ONLINE  

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Posted November 21, 2013 - 12:07 PM

The 301 is the best engine as far as neutral balance goes , and you will hardly notice. The larger the bore gets the more it should be balanced.

#12 Walkinman1 OFFLINE  

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Posted November 22, 2013 - 12:12 AM

So would it be a good idea to leave them in on my 16 hp? (Forget the model number offhand)

#13 skyrydr2 ONLINE  

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Posted November 22, 2013 - 04:18 AM

So would it be a good idea to leave them in on my 16 hp? (Forget the model number offhand)


NO! they are still dangerous if thru fail, you will just get more vibration from it. Or you can have it balanced . your choice .

#14 Walkinman1 OFFLINE  

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Posted November 22, 2013 - 07:06 AM

Thanks for the confirmation Keith, as soon as I get to working on these engines I'll have a small pile of "spare parts" left over :D

#15 dodge trucker OFFLINE  

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Posted January 25, 2014 - 05:59 PM

hey, another unfortunate person stuck in Illinois.... Kankakee here  getting to work in Joliet has been a chore since the new year

 

I got my M12 on the bench and after working the bore with steel wool (sat too long between its strip thru the machine shop and being assembled LOL)  I did put in a steel governor gear that I got from feebay.. I am at  exactly "that point" to either out the crank back into the block and line up the gears or to take them out.... can't find my small snap ring pliers when I need em....

 

 I never took the gears out when I sent the block for machining. they spin very free, with no telltale "slop" 

My thoughts are to remove them and go see my buddy at motion industries, match up new bearings/bushings and press them in...

that way I can keep the balance and hopefully prolong their demise. this engine is an exact identical replacement to what's on my Woods ZTR the one on the bench is a spare I took off of a twin that I got as a parts machine.

Do those gears have needle bearings or bushings, or what? (I'll know the answer once I find my snap ring pliers LOL)


Edited by dodge trucker, January 25, 2014 - 06:08 PM.

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