1969 Evinrude 40 HP Big Twin, Lark Service Repair Manual P/N 4596, Page 16Get this manual

1969 Evinrude 40 HP Big Twin, Lark Service Repair Manual P/N 4596, Page 16

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TROUBLE CHECK CHART (CONT) TROUBLE POSSIBLE CAUSE ASPARK PLUGSSee Section Crossed or reversed eads Cover or inner terminal damaged (spark plug point out of H.Tlead) Faulty leads Loose, low torque Inco