1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 144Get this manual
Disassembly
INote To
simplify reassembly, layout the various screws and clamps in the order of their proper location
1Remove the three screws retaining the crankcase head to the powerheadUsing mallet and punch, drive the seals from the crankcase headDiscard the O-ring and seals
rn 2Remove the with rawhide malletRemove the inner and exhaust cover screwsIf necessary, tap the exhaust cover edge
outer exhaust covers; carefully separate the pieces