Outdoor Power Equipment and Small Engines - Gas Still in Oil

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JFS321
07-12-07, 09:27 PM
If the fuel inlet needle is not the reason gas mixes with oil in a Briggs engine, are there any other possible causes?

Or is black oil mixed will a small amount of gas normal?

cheese
07-13-07, 12:04 AM
A bad float, bad carburetor, bad fuel pump if equipped. Gas in oil is not normal.
puey61
07-13-07, 04:05 AM
A bad inlet seat or highly excessive fuel pressure could also cause this.

boman47
07-13-07, 06:57 AM
Curious, is this a rider?
JFS321
07-13-07, 11:09 AM
Nope, 6.0 OHV push mower. I just don't think the fuel inlet valve is/was the problem; the old looked fine.
puey61
07-14-07, 04:03 AM
JFS, is this the same mower you have at least three different threads going? May I suggest sticking with one thread per machine so that we can have some continuity and follow along as you progress, please. In other words, if you start a thread for a particular mower/machine reply back to that same topic if you have more/continual trouble with the same machine.