14.5hp Briggs and Stratton OHV - 287707 Engine Mode - Gas in Oil -


Old 05-02-12, 07:51 PM
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14.5hp Briggs and Stratton OHV - 287707 Engine Mode - Gas in Oil -

Ok guys - I'm Stumped

I have gas in the oil. It runs for 15 seconds, then stalls in a cloud of smoke.

I read the forums and thought it was:
1) Carburetor problems - I checked the carburetor and the float is fine - it rises and falls with the gas level. The carburetor is clean, not gummed up at all. There is no excess gas in the carburetor, and the air cleaner is dry - no oil or gas in the air cleaner
2) Cranckase recirc vavle - it seems to operate fine -sucked on the hose and it draws into the air breather chamber fine.
3) Head Gasket - Head gasket is in perfect condition - no breaks or cracks.
4) Compression - the compression seems good- hard to turn over the engine by twisting the "fan" cover by hand

Last time I used it it was hesitating (misfiring). This time it only ran 10 min before stalling as described above

So now I can't figure out what was wrong. Any help would be appreciated Thx
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Old 05-02-12, 08:04 PM
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if it's still flooding you need to replace the float needle and seat.
Old 05-02-12, 09:30 PM
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Yep, you ruled out the carburetor too fast.

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