1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 207Get this manual
19Inspect the pinion bearing for damage without removing itIf bearing is damaged, remove and discard the pinion bearing from the gearcaseIf the bearing is removed for any reason, it must be replaced Remove the bearing retaining screw from the gearcaseDiscard the O-ring from the screw In the gearcase, assemble the following components of OMC Pinion Bearing Remover and Installer PI 391257 :
PI 326586 Flange Nut PI 391260 Plate PI 326582 Rod CD PI 326580 Remover