Small Engines (Lawn Mowers, etc.): gas in oil, leak gas, new inlet

Question
I am trying to repair riding mower that was given to me. I  checked the oil and I think there is gas in it. What would cause it?

Answer
A leaky inlet needle or a bad float would cause this problem.  The cheapest solution it to install a fuel shut-off valve in the fuel line...I have installed in my own mower.  Just shut the valve off when you done mowing...it's too simple and guareented not to leak gas into the oil.

Make sure you change the oil.

The other solution is to remove, dis-assemble and clean the carburetor.  Once it is clean you should install a new inlet needle.  Not that difficult of a job but takes a seasoned technician about an hour using air tools and a parts cleaner.

Let me know if you have any other questions.
Eric