1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 239Get this manual
221-l beveled side of retainingpliers, facing outwardMake 27Using retaining ring install snap ring with il ring sure the retaining ring is seated in its grooveWear safety glasses and proceed with care to avoid unsnapping the ring from the pliers28After assembly is complete, rotate driveshaft in bearing housingThe assembly should turn freely29Coat three new O-rings with OMC Adhesive sealant and install in grooves in the bearing housing