1969 Evinrude 40 HP Big Twin, Big Twin Electric Lark Service Manual 4596, Page 22Get this manual
fRemove needle valve packing and washers, being careful to avoid damaging threadsSee Figure 3-10 gRemove four screws attaching float chamber to carburetor body Remove float chamber and gasketRemove nylon hinge pin to permit removal of float and float arm assemblySee Figure 3-10
hRemove float valve, float valve seat, and gasket assembly from carburetor bodyUnscrew high- speed nozzleFigure 3-8Removing Drain Plug
iScribe choke cover to assure correct reassemblyRemove automatic choke cover by removing three screwsRemove choke solenoid and plungerDO NOT remov choke housingas disassembly of the choke valve nd shaft will be required
CLEANING, INSPECTION, AND REPAIR
GENERAL INSTRUCTIONS Figure 3-9Removing Fixed Jet Clean all parts, except cork float, in solvent and blow dryDO NOT dry parts with cloth as lint may cause trouble in the reassembled carburetorBe sure all particles of gaskets are removed from gasket surfacesFlush all passages in the carburetor body with solvent and remove any gummy