1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 254Get this manual
Gearcase Servicing25 Comm 30SPL &
To avoid accidental starting of engine while servicing, twist and remove all spark plug leads
Removal
1Remove the exhaust housing cover plate and gasket to expose the shift rod connector2Shift the motor to FORWARD gear positionRemove the lower shift rod connector screw
3Remove the four gearcase retaining screws retaining nut with lock washer