2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 216Get this manual
GEARCASE DISASSEMBLY8 Using Puller Bridge, PIN 432127, and Small Puller Jaws, PIN 432131, remove the bearing and sleeve from the gearcaseDiscard the bearingUsing Bearing Remover, PIN 319880, and mallet, remove the two pinion bearingsDiscard the bearings
Using Slide Hammer, PIN 432128, and Bearing Puller, PIN 432130, remove the forward bearing cup from the gearcaseInspect bearings for damage while in placeIf bearing is damaged, remove and discard If the bearing is removed for any reason, it must be replaced