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spark plug gap for 21 hp Briggs & Stratton Engine?

Craftsman Elec Start 42" Mower, 6 speed transaxle, replacing plugs does not give what to set the gap at.
Bill T., April 2006
Spark Plug gap is .030" for all Briggs Models

Rick, April 2006
link Click here to see other fixes for Briggs & Stratton 21.