1987 Johnson/Evinrude CU Outboards 35A thru 55 Service Manual, Page 324Get this manual
Disassembly of Trim Cylinder 1Remove the bronze piston from the bobbin using OMC Special Tool PIN 123196 (Spanner Wrench)2Slide the bobbin
off the end of the trim rod
and two scrapers
3Remove and discard the O-ring the bobbin piston4
Using 916" wrench, remove the collar from the trim rod