1979 Evinrude 4 HP Outboards Service Repair Manual, PN 5424, Page 51Get this manual

1979 Evinrude 4 HP Outboards Service Repair Manual, PN 5424, Page 51

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DESCRIPTION The powerhead consists of the cylinders, pistons, rods, crankshaft, and crankcaseThe powerhead has two cylinders horizontally mounted in vertical planeThe firing order is combined so that