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Kohler K532 Twin Cylinder Help

kohler k532 twin

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#1 Rock farmer ONLINE  

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Posted May 30, 2013 - 07:41 PM

I have a kohler K 532 19.5 horse power engine. It runs good some times. But will bog down and smoke. Compression tests good at 117 lbs each side. Coil seems good but I get a cold spark plug on the left hand side when it starts running bad. I have oil leaks on that side. I don't know where from. When I took the valve covers off, the insides where clean. I'm thinking maybe the oil rings are compressed from sitting. Maybe a bad head gasket or oil seal? Or, a clogged crank case vent?

I still need to do carb work. And, wiring is a mess on this tractor. Does anyone know these engines? I imagine they were mostly generator motors. Although I know John Deere and Bolens used them.

Joe

#2 NJKen OFFLINE  

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Posted May 30, 2013 - 10:01 PM

I do believe there is a manual for them posted here somewhere.

Look in the Bolens forum maybe ?

Can anyone post a link ? Looking via a phone might take a while.
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#3 KennyP ONLINE  

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Posted May 31, 2013 - 04:46 AM

Here is a service manual. And here is the parts manual.


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#4 Rock farmer ONLINE  

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Posted May 31, 2013 - 05:39 AM

Thanks, first thing I did was download the manuals. Unfortunately, they don't really help. Their written for repairing broken machines in the first five years of their useful life. Not trouble shooting worn machines in the fortyith year of life!
I'll get this figured out. I may have to remove the engine and completely break it down and redo it.

Joe

#5 Rock farmer ONLINE  

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Posted June 13, 2013 - 08:06 PM

I put a new harley coil in. That helped. Then a new muffler. That helped. Now I have a good running engine that leaks oil and smokes! I just got new head gaskets. That's the next step. Can't wait to see what's going on in there!

Joe
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#6 Rock farmer ONLINE  

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Posted June 14, 2013 - 06:26 PM

This is what they looked like inside;

First the oil leaker:
image.jpg image.jpg

Then the good side;
image.jpg image.jpg

The oil leaking side had all loose head bolts! I will de-carb, clean and install the new head gaskets in the morning. I see no scoring in the cylinders. The pistons feel tight. But, I may need new rings.

Joe

#7 Rock farmer ONLINE  

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Posted June 23, 2013 - 07:13 PM

Well, new head gaskets seemed to help. But still smokes and leaks oil. Seems to be getting gas in the crank case. Carb will idle down. So, I don't think it's flowing through the carb. Maybe the fuel pump is leaking directly into the crankcase?

I'm beginning to think the oil leak is from the oil dip stick filler tube. I cannot see where the leak is. Does anyone know if the dip stick tube is screwed in or pressed in?

Thanks,

Joe




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