2000 Johnson/Evinrude SS 2 thru 8 outboards Service Manual, Page 83Get this manual
Assembly Note All intake manifold components must be perfectly clean before assemblyDo not use strong carburetor cleaner or hot soaking tank [] 1Place leaf valves on leaf plateIf new valves do not seat on the leaf plate, turn the leaf valves overINotel Used leaf valves must not be turned over for reuseLeaf valve may break when returned to service, causing serious powerhead damage
2If any leaf valves are standing open, apply light pressure using pencil eraserIf leaf valve closes with light pressure, valve is acceptableIf not, inspect leaf plate for high spots or burrsI Note Do not lap leaf plateIf plate is too smooth, the leaf valves may stick closed after off-season storage
3Apply OIVIC Locquic Primer to mounting screws and allow to air dry4Apply OIVIC Screw Lock to mounting screwsWipe off excess adhesive