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Briggs and Stratton backfires but won't start

Billnobody's Avatar

Join Date: Jun 2009
Posts: 1

06-28-09, 06:08 PM   #1  
Briggs and Stratton backfires but won't start

I have a Brigs and Stratton lawn mower that is probably 8 or 9 years old. If I try to start it, it backfires and won't start. We just replaced the gas line because we thought it was the issue; however, the lawn mower is acting the same after that. As far as I know I have not hit anything. Got any idea? We have replace the spark plug, checked the filter as well as replaced the gas.

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geogrubb's Avatar

Join Date: Jun 2006
Posts: 2,333

06-28-09, 07:02 PM   #2  
Post the engine model, type and code, usually found on the engine shroud just above the spark plug or on a metal tab over the muffler, and someone will get you going. To me it sounds like a sticking valve or a partially sheared flywheel key. Have a good one. Geo

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