1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 212Get this manual
Propeller Shaft Bearing Housing Service
1Remove the seal using OMC Puller Bridge, PI 432127, and OIVIC Large Puller Jaws, PIN 432129Position plate on top of housing to support bridge and tighten jaws securely behind lower seal
Inspect the bearings in placeIf bearing is removed for any reason, it must be replaced
12811291
2Remove either bearing using OIVIC Puller Bridge, PI 432127, and OMC Large Puller Jaws, PIN 432129Rest puller plate on top of housing to support bridge and tighten jaws securely behind bearing
3Discard the bearing housing O-ringClean housing and bearings in solvent and dry thoroughlyIf bearings were not replaced, rotate needles with your fingers to check for freedom of movementInspect O-ring groove and sand off any sharp edges that would cut O-ring and prevent its sealing4Thoroughly clean the four bearing housing retaining screws in solventDiscard the retaining screws' O-rings5Inspect the bearing housing anodeReplace anode if it has been reduced to two-thirds its original size (one-third eroded)