1968 Johnson Outboard Service Repair Manual 1-1/2 (1.5) HP P/N JM-6801, Page 31Get this manual
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5ECTION POWER HEAD
OF OPERAION NG TEMPERATURE AL OF POWER HEAD
DISASSEMBLY OF POWER HEAD CLEANING, INSPECION, AND REPAlR REASSEMBLY OF POWER HEAD REASSEMBLY OF POWER HEAD EXHAUST HO