1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 156Get this manual
14 14Remove the upper main bearing from the crankshaftDiscard the seal and O-ring
14 15Remove the retaining clip from the center main bearingSeparate the sleeves and remove the roller assemblies
1151 16Inspect the lower main bearing in placeIf it is removed
for any reason, it must be replacedTo replace the bearing, remove the retaining ringPress the bearing off using bearing separator and press17Remove the thermostat coverDiscard the O-ring