1971 Johnson 40HP outboards Service Repair Manual P/N JM-7107, Page 15Get this manual
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SECTION FUEL SYSTEM
Description Theory of Operotion Removol of Corburetor ond Leof Volve AssembIy Di sossembIy of Corburetor Cleoning, Inspection, ond Repoir ReossembIy of CorburetorReoss