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Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1901
Experience:  I have 25+ years of experience repairing 2 & 4 cycle engines
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2004 Super Z with 25 hp Kohler leaking oil out of breather

Customer Question

2004 Hustler Super Z with 25 hp Kohler leaking oil out of breather above valve cover behind seat
Submitted: 6 months ago.
Category: Small Engine
Expert:  Donald replied 6 months ago.

Hello. Thank you for choosing Just Answer. My name is***** will be happy to assist you.

Expert:  Donald replied 6 months ago.

Does your engine smoke when it is running?

Customer: replied 6 months ago.
Expert:  Donald replied 6 months ago.

Is the smoke constant?

Customer: replied 6 months ago.
lightly smoking, runs good then starts smoking lightly and sputtering when I throttle up
Expert:  Donald replied 6 months ago.

Is the oil level in your crankcase correct? Check to see if your oil smell like gas is mixed in with it.

Customer: replied 6 months ago.
Oil level is low and I think it smells like gas
Expert:  Donald replied 6 months ago.

Thanks for this information ...

Customer: replied 6 months ago.
$24 plus the $27 ?
Expert:  Donald replied 6 months ago.

If your oil smells like gas, this indicates that your oil is diluted because of the gas. This can cause smoke. I would change the engine oil, and fill to correct level.

Expert:  Donald replied 6 months ago.

We can work without the phone call.

Expert:  Donald replied 6 months ago.

Let's start with the oil change, then go from here.

Customer: replied 6 months ago.
How did gas get on oil
Expert:  Donald replied 6 months ago.

Your carburetor could be slightly flooding due to either the needle and seat in your carburetor not properly sealing, a partially sticking float in your carburetor, dirty air filter, bad spark plugs, etc.

Customer: replied 6 months ago.
Changed spark plugs, oil, oil and gas filter, air filter. Runs great now. One of my guys ran it out of fuel and only had mix gas to get mower on trailer. Is it possible the gas mix fouled my spark plugs causing it to misfire and unturned gas going into oil?
Expert:  Donald replied 6 months ago.

Awesome! I am glad your mower is ok now. The oil/gas mix is very likely the reason for the smoke you noticed. Thank you for letting me know. I do hope all continues to go well for you.

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