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EH65 spitting fuel from breather hose into air filter.

Jim Kessell

By Jim Kessell
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  • 4 weeks later...
Jim Kessell Rookie

Jim Kessell

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I apologize to all who I left scratching their heads about my last post !!

Turns out to be fuel diluted oil coming from the breather.  I’ll be taking the carburetor off AGAIN !!!

Greg Kilgore Community Regular

Greg Kilgore

Posted
Posted

Just like an old car or truck PCV valve.

PCV = Positive Crankcase Ventilation

Basically any gasses that blow-by the piston rings into the crank case need a place to go. So the PCV valve (one-way check valve) let the gasses out but doesn't allow any in. Usually a hose runs from PCV valve to breather and sent back into combustion chamber. 

Since the gasses are in the crankcase some oil may be pulled up as well.

Or it could be something else. Just a thought. Home this helps and good luck with the repair.

 

Kilgore.

  • 2 weeks later...
W B Enthusiast

W B

Posted
Posted
On 10/26/2024 at 1:51 PM, Jim Kessell said:

I apologize to all who I left scratching their heads about my last post !!

Turns out to be fuel diluted oil coming from the breather.  I’ll be taking the carburetor off AGAIN !!!

Jim,

Have you checked oil level in engine? Does it smell like gas? If overful it could be sucked by the breather back to carb.

Jim Kessell Rookie

Jim Kessell

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WB

I was hoping you would respond. 
It was definitely gas infused and slightly over full. Took the carb off and changed the float and needle valve.  Reworked the fuel solenoid.  I have it running pretty well now but was having the issue with the blow back. 

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