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Old 08-26-2013, 01:08 PM
LewisL230 LewisL230 is offline
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Kohler Rebuild Help

I'm currently waiting for parts to put my 30hp Kohler back together. I have a few questions. When I put it back together what is the best way to prime the oil pump? What oil would you recommend? I've always heard not to use synthetic, because the rings won't seal right. I want to put the best oil I can in it. I'm putting new rings and head gaskets and replacing all the seals. Any tips you have when putting these back together? Is there a break in period? Thanks in advance guys.
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Old 08-26-2013, 01:56 PM
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BigFish BigFish is offline
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You don't wanna use synthetic in a fresh rebuild. Wait till its due for a change. If you're worried about oil, just stick with Kohler brand oil.
Sounds like ya need to download a free service manual from Kohler, pay attention to the lifter bleed/install procedures.
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Old 08-26-2013, 02:47 PM
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piston slapper piston slapper is offline
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Ditto....Fish...

Just assemble the engine using the oil you are going to run in it..
To prime the oilpump and the rest of the engine....
Fill the engine oil to the proper level ..
Disconnect the sparkplug wires..
Crank the engine for 10 to 15 seconds....3 or 4 times...
Check the oil...it should be low now....
Add engine oil to get to the proper level..
Reconnect sparkplugs...fire it off..

There is no break in period on a rebuilt engine..
Tune and adjust the engine to the desired specs.
Change the motor oil and filter after 8 to 10 running hours...
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Last edited by piston slapper; 08-26-2013 at 02:52 PM.
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Old 08-28-2013, 02:31 PM
Oldtimer Oldtimer is offline
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Kohler recommends running a NEW engine for 250 hours before switching to a synthetic oil.


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