1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 238Get this manual
Gearcase Servicing20, 25, 30 Removal
avoid accidental starting of engine while servicing, twist and remove all spark plug leads2Remove the trim tabRemove the propeller from the gearcaseInspect the condition of the propeller hub
[] 3Drain the gearcase by first removing the oil level plugthen the oil filldrain plug rn
4Remove both water intake screens
Remove any paint from the upper shift rod before disassembling the shift rod connectors