1999 EE Johnson Outboards 25, 35 3-Cylinder Service Manual, Page 188Get this manual
Gearcase Servicing Removal
1To avoid accidental starting of engine while servicing, twist and remove all spark plug leads
2Mark the trim tab position for reference, then remove the trim tabRemove the propeller from the gearcaseInspect the condi tion of he propeller hub
3Drain the gearcase by first removing the oil level plugthen the oil filldrain plug 4Remove both water intake screens
INotel Remove any paint from the upper shift rod before disassembling the shift rod connectors