1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, 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 bodyRemove 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 removing three screwsRemove choke solenoid and plungerDO NOT remove choke housing, as disassembly of the choke valve and shaft wiH required
CLEANING, INSPECTION, AND REPAIR
GENERAL INSTRUCTIONS Figure 3-9Removing Fixed Jet Clean parts, except cork float, in solvent and blow dryDO NOT dry parts with cloth as lint cause trouble in the reassembled carburetorsure particles of gaskets are removed from gasket surfacesFlush passages in the carburetor body with solvent and remove gummy