1965 Evinrude SportFour Heavy Duty 60 HP Outboards Service Repair Manual, P/N 4204, Page 11Get this manual

1965 Evinrude SportFour Heavy Duty 60 HP Outboards Service Repair Manual, P/N 4204, Page 11

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TROUBLE CHECK CHART (CONT) TROUBLE POSSIBLE CAUSE Air leak at manifold gasketswarped manifold (backfires) Broken leaf valves (backfires) Cracked carbon seal (water in cylinders) Excessive carbon on pi