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Briggs model 098902 0110-01 running really rich. puts out black smoke when idling. Could this be a diaphram problem?

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Remove air filter element and test run. If you see improvement, replace the element.
Part #698369 for engines 2002 and NEWER
Part#272235 for engines 2001 and OLDER.

If same rich condition, replace diaphragm under carb.
Part #795083

Hope this helps!

Posted on Oct 01, 2009

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as with black smoke the cat will try to catalyze all that and glow red hot. is your cat missing?>
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