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kohler 321 turns hard


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#1 bill3t OFFLINE  

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Posted April 21, 2015 - 06:23 PM

got my tractor mostley restored. got get the bugs out. engine was rebuilt. got it going once. it turns over hard and drains battery. tried it with out the plug. turns faster. thinking it my be vavles need adjusting and some lube. and need to figure out surging govenor. thanks bill


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#2 superaben OFFLINE  

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Posted April 21, 2015 - 06:38 PM

An engine can be stiff when it is first assembled. However, that fact usually should not be enough to drain down a good starter and battery. 

 

Do you know your starter is good?  Could it have sat outside for years and become corroded internally?

 

Make sure you have a good strong battery.  If it has a starter generator, then make sure it has more than 350 amps for best results. 

 

A surging governor at high RPM is usually ignition related.

 

Ben W.


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#3 LilysDad ONLINE  

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Posted April 21, 2015 - 06:39 PM

The compression release could be fubar.


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#4 propane1 OFFLINE  

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Posted April 21, 2015 - 07:45 PM

Was engine assembly lube used to put engine together. And are the points set to 0.020 for a starting point. Could be out of time, to far advanced. Just some thoughts, Noel.
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#5 EricFromPa ONLINE  

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Posted April 21, 2015 - 09:40 PM

Pop the cam cover off and see if the ACR arm on the Cam could be bent.

 

I went though this nightmare on a freshly rebuilt K301 a couple of months ago.Had the S/G rebuilt,new battery,all new igntion parts,freshly rebuilt carb,new crank,Rod,Piston and a freshly bored bock.

 

Some how the ARC arm got bent out of whack.I bent it back and it cranked Very nicely.After a couple of weeks it started to crank hard again.I ended up pulling the engine back apart and just replaced the whole Cam.

 

After a little bit of lookin at the old cam I noticed it had a very fine crack and it was discolored a bit.Engine must of run pretty hot and took some of the temper out of the thin steel ACR.


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#6 DH1 OFFLINE  

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Posted April 21, 2015 - 09:45 PM

Are you sure you have the right starter on it?



#7 bill3t OFFLINE  

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Posted April 22, 2015 - 04:37 PM

adjusted the valves. not sure if it did much. will check the point gap again. mite get a new battery too. bill


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#8 bill3t OFFLINE  

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Posted April 23, 2015 - 08:07 AM

adjusted the points. runs better now.  anybody got a mower deck want to sell in nh or ma. bill






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