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Briggs & Stratton Small Engine Stops After a Few Seconds

31H777/0297-E1

The part(s) or condition(s) listed below for the symptom Small engine stops after a few seconds are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Small engine stops after a few seconds

Cause 1Carburetor

The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the engine for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the engine to stall. If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor.

Parts
Carburetor for your Briggs & StrattonSmall Engine
Carburetor - Part # 4449925 Mfg Part # 594593

Briggs & Stratton carburetor. (Nikki) If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run rough. The carburetor can often be cleaned or rebuilt, but may sometimes need to be replaced.

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Cause 2Carburetor Repair Kit

The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and prevent the engine from starting. If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor.

Parts
Carburetor Repair Kit for your Briggs & StrattonSmall Engine
Carburetor Repair Kit - Part # 1610801 Mfg Part # 497535

Carburetor rebuild kit. Briggs & Stratton recently eliminated carburetor nozzles from various kits as a running change. Carburetor nozzles are still available for purchase by using your model/type number if needed.

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Cause 3Carburetor Repair Kit

The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and prevent the engine from starting. If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor.

Parts
Carburetor Repair Kit for your Briggs & StrattonSmall Engine
Carburetor Repair Kit - Part # 1611152 Mfg Part # 697241

Carburetor rebuild kit. Briggs & Stratton recently eliminated carburetor nozzles from various kits as a running change. Carburetor nozzles are still available for purchase by using your model/type number if needed.

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Cause 4Carburetor Repair Kit

The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and prevent the engine from starting. If the carburetor is clogged, try cleaning it with carburetor cleaner. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor.

Parts
Carburetor Repair Kit for your Briggs & StrattonSmall Engine
Carburetor Repair Kit - Part # 1611252 Mfg Part # 796184
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