1991 Johnson Evinrude 9.9 Thru 30 HP Models Service Manual P/N 507946, Page 110Get this manual

1991 Johnson Evinrude 9.9 Thru 30 HP Models Service Manual P/N 507946, Page 110

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Spark Plug Information The spark plugs should removed and examinedspark plug should replaced if the electrodes badly won, if it has cracked insulator, is badly fouledBefore installing the spark plug c

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