1971 Johnson 4HP Outboard Motors Service Repair Manual P/N JM-7102, Page 36Get this manual

1971 Johnson 4HP Outboard Motors Service Repair Manual P/N JM-7102, Page 36

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DESCRIPTION The power head consiststhe cylinders, ists, rods, crankshaft, and crankcaseThe power head has two cylinders horizontally utd vertical planeThe firing order is so that eacl1 cylinder delive