Model #96114000302 Weed Eater walk behind lawnmower, gas

  • Rotary Mower
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Question and Answers


Why won't my Briggs & Stratton motor start? I replaced the carb kit and spark plug. It gets fire to the plug and has new gas.


When you rebuilt the carburetor, did you run a soft wire through all the air and fuel passages in the carburetor, spray carburetor cleaner through them, and blow the passages out with compressed air?

If you didn't do these things, that is probably your problem.

Remove the spark plug wire from the spark plug and pull the starter rope 8-10 times. Remove the spark plug and see if the anode is wet with gasoline. If the anode on the spark plug is wet, the carburetor is feeding gas to the cylinder. If the anode on the spark plug is dry the carburetor is not feeding gas.

If the spark plug is wet, and you have fire to the plug, the engine is probably firing out of time. The most likely cause for this is a sheared key under the flywheel.

If you remove the upper cover (blower housing) of the mower, you can see the slot in the flywheel and the crankshaft. If the 2 slots are lined up perfectly, the key is ok.

If the key is not sheared, the camshaft will need to be replaced.

I think I have given you more information than you need. I hope this helps.

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Jimmy K -
Sears Technician
July 15, 2009

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