1991 Johnson/Evinrude EI Outboards 2.3 thru 8 Service Manual, Page 217Get this manual
Gearcase ServicingDeluxe thru 8 Removal
i twist and remove all spark plug leads
1To avoid accidental starting of engine while servicing,
f1l 2Drain the gearcase by removing the oil level plug filldrain plug 3Remove the propeller and attaching hardware