1987 Johnson/Evinrude CU Outboards 35A thru 55 Service Manual, Page 116Get this manual
Inspection 1Inspect the leaf plate assemblies for damage The gasket surface must be flat, .003 in(0,08 mm) The leaf plates must not be distorted ",;)i
1201 The leaf tips must not be cracked or chipped The leaf plate stops must not be loose or distorted 2Inspect the intake manifold All gasket surfaces must be smooth and free of nicks Use machinist's straightedge to check for flatness in all directionsThe mounting surface must be flat, .004 in(0,10 mm)
INote All intake manifold components strong carburetor cleaner must be perfectly clean before assemblyDO NOT use a
or hot soaking tankAssembly
COB1109
1231 1Place leaf valves on leaf plateIf new valves do not seat
on the leaf plate, turn the leaf valves over