1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 180Get this manual
132119Remove the upper crankshaft seal and bearing Discard the seal and clean and inspect the bearingReplace if necessary
133120Remove O-ring from crankshaft sleeve and inspect134121Inspect crankshaft sleeve and replace if necessaryTo remove, use OMC Slide Hammer, PIN 432128, and OMC Large Puller Jaws, PIN 43212922Remove the lower main bearing only if it needs to be
replacedUsing external retaining ring pliers, remove the lower bearing retaining ringUsing an appropriate bearing separator, supportthe bearing, place separatorflats against the bearing and press off the crankshaftr:;;l 23Remove the rings from the pistons using piston ring expandersDO NOTtry to save the ringsInstall complete set of new rings on every powerhead service job