1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 141Get this manual
Powerhead Service9.915 Removal
1To avoid accidental starting of engine while servicing, twist and remove all spark plug leads2On electric start models, disconnect the battery cables from the batteryRemove the battery cables from the engine&
3Remove the two screws and nuts from the top rear of lower engine cover