1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 159Get this manual
7Separate crankcase and cylinder blockIt may be necessary to tap on crankshaft with rawhide or rubber mallet to loosen
[] 8Remove upper seal from crankshaftDiscard the sealA new upper seal must be installed on assembly
9Loosen in stages and remove cylinder head retaining screws, remove the cylinder headsDiscard thermostat seals
10Using an indelible marker, identify each connecting rod cap by cylinder numberRod No.1 is closest to the flywheel11Using OMC Torquing Socket, PI 331638, loosen in stages the rod cap retaining screwsDo not remove the screws
12Using one hand to support the piston, remove the rod cap screws with your other handRemove pistonremovedEach cap is unique and can only be installed on its mated rodDo not allow rod to contact inside edge of piston