1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 215Get this manual
12To remove the bearing housing and forward gear from the propeller shaft, pry the clutch dog retainer spring out of the clutch dog groove and push out the clutch dog pin Discard the retainer spring
1201 13Separate the bearing housing from the propeller shaftRemove the thrust washer, thrust bearing, and forward gear from the housing14Disassemble the bearing housing as followsPush out the shift lever pindisengage the shifter shaft and cradle from the shift leverand remove the shift lever