1987 Johnson/Evinrude CU Outboards 35A thru 55 Service Manual, Page 225Get this manual
Disassembly 1Remove the propeller and mounting hardwareInspect the propeller for spun hub 71
2Drain the gearcase by first removing the oil level plugthen the oil fillidrain plug Inspect the lubricant for water which will give it milky appearance, or overheating which will give the lubricant black color and burned odorReinstall the plugs temporarily after draining the gearcase3Remove the four propeller shaft bearing housing screws
E.J with O-rings using 516 in thin wall socket
4Using two OMC 516 -18 inscrews, PIN 316982 or OMC Propeller Shaft Bearing Housing Puller, PIN 330278, and puller body from OMC Universal Puller Kit, PIN 378103, pull the propeller shaft bearing housing from gearcase
5 Remove the two retaining rings using OMC Retaining Ring Pliers PIN 331045Retaining rings are under extreme pressure during removal and installation Wear safety glasses and proceed with care to avoid unsnapping the ring from the pliersAfter the retaining rings are removed far enough from the gearcase to clear the housing, release the tension on the pliers while retaining ring is still around the propeller shaft