1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 104Get this manual
Intake Manifold ServicingAll Models Removal
1Follow steps listed in Carburetor Removal, this section
2Remove manifold screws and remove manifoldDisassembly
1Remove the two screws per leaf plate assembly, and remove the leaf plate assemblies as required
INoteJ Do not disassemble leaf plate assemblies unless leaf plate
seats, leaf valves, or leaf stops are damaged or corrodedCheck parts availability before servicing leaf plate assembliesAssemblies on some models are not serviced in detail2When disassembling leaf plate assemblies, do not lift or bend leaf valvesRemove the leaf stop screws, and remove the stops and leaf valvesCOB1109
3When disassembled, keep the stops and leaf valves separated by assemblyInspection