1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 189Get this manual
Gearcase Servicing Removal 1To avoid accidental starting of engine while servicing, twist and remove all spark plug leads2Mark the trim tab position for reference, then remove 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 screensINotel
Remove any paint from the upper shift rod before disassembling the shift rod connectors