Model #917380231 Craftsman walk behind lawnmower, gas

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Question and Answers


What should the spark plug gap be using an E3 spark plug?


The spark plug gap setting should be the same as the original spark plug unless otherwise stated per the manufacturer of the "E3" spark plug. The spark gap most likely will be set at .030

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Joey S -
Sears Technician
March 22, 2009

Recommended maintenance parts & accessories

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