1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 104Get this manual

1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 104

Intake Manifold ServicingAll Models Removal 1Follow steps listed in Carburetor Removal, this section 2Remove manifold screws
3When disassembled, keep the stops and leaf valves separated by assemblyInspection 1Inspect the leaf plate assemblies for
damage: The leaf valves and plate must not be distorted The leaf valve tips must not be cracked or chipped The leaf stops
must not be distorted or loose Use machinist's straightedge to check the flatness of the leaf plateThe gasket surfaces must
be flat, 0.003 in(0,08 mm) Test leaf plate screw tightnessIf loose, retighten using OMC Screw LockCOB1110 2Inspect the intake
manifold: All gasket surfaces must be smooth and free of nicks Use machinist's straightedge to check for flatness in all