1988 Johnson/Evinrude "CC" 40 thru 55 Models Service Manual, Page 320Get this manual
Removing the Trim Cylinder
Remove the oil line from base of the trim cylinderRemove the nut and the wire from the sending unit
3Using needle nose pliers, remove the retainer clip from the trim cylinder retainer pin4Pull the trim cylinder retaining pin out of the trim cylinder and the mounting bracketLift the trim cylinder off the mounting bracket5Using OMC Spanner Wrench PIN 123196 or PIN 912084, remove the trim cylinder end cap6Remove the sending unitgasketspring steel ballfrom the side of the trim cylinder