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Go Back   Only Cub Cadets > Cub Cadets > Cub Cadet Engines > Kohler Engines
Reload this Page K301 Smoking heavy out of breather.
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  #1  
Old 08-26-2024, 09:30 PM
Scoops1000 Scoops1000 is offline
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Default K301 Smoking heavy out of breather.
I have a 127 with a K301, it is blowing heavy smoke (like oil smoke) out of the breather plate, there was what seemed to be oil on the side of the block but I cleaned that up and now there is only a little bit of oil on the side of the block not as bad as before. It also heavily backfires after shutting it off.

Im guessing it is rings but any other suggestions before I dig into doing rings?
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Old 08-27-2024, 09:34 AM
West Valley G West Valley G is online now
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I would say your guess is pretty accurate. Whenever I have seen
that it was oil getting by the rings.
Another option could be your drain back hole in the breather is plugged.
Or it is in upside down. Did this just happen all the sudden or is it new
to you 127. The more info you provide the better folks can help.


Ken
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Old 08-27-2024, 04:17 PM
Scoops1000 Scoops1000 is offline
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It's a new to me 127, needed a new fuel tank and then got it running ever since I got it running it's done this. I will look into the breather hole and see if that is plugged or upside down then I'm guessing onto the rings.
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Old 08-27-2024, 06:22 PM
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ol'George ol'George is online now
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Originally Posted by Scoops1000 View Post
It's a new to me 127, needed a new fuel tank and then got it running ever since I got it running it's done this. I will look into the breather hole and see if that is plugged or upside down then I'm guessing onto the rings.
You are looking at an overhaul not just a ring band aid and go, if it is that bad and not just a breather problem.
But your choice.
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Old 09-05-2024, 05:08 PM
Scoops1000 Scoops1000 is offline
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Well dug into it a bit, took apart and cleaned the breather, checked to make sure that was installed correctly, and adjusted the valves while I was in there.
Took the head off and found a blown head gasket so I replaced that and cleaned up the top.

Put it all back together and it's still smoking out of the brether/valve cover and the dipstick.
Guessing it's time for a complete rebuild.
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Old 09-05-2024, 05:25 PM
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DeltaCub DeltaCub is offline
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You are looking at an overhaul not just a ring band aid and go, if it is that bad and not just a breather problem.
But your choice.
ol' George is pretty smart on stuff like this! A major engine overhaul may be the answer to eliminate this problem.
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