1976 Johnson Outboard Motor 40 HP Service Repair Manual P/N JM-7609, Page 18Get this manual
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SECTION FUEL SYSTEM
Theory of Operation 3-2 Removal of Carburetor from Motor 3-4 DisassembIy of Carburetor 3-4 Cleaning, Inspection, and Repair 3-5 ReassembIy of Carburetor 3-7 ReassembIy