1992 Johnson Evinrude "EN" 60 thru 70 Service Manual, P/N 508144, Page 331Get this manual
f131 9When servicing either cylinder, mount the bottom part of the cylinder in soft-jaw viseIf equipped, remove the band nut and slide the band off the cylinder1141 10Inspect the band nut O-ringReplace the O-ring if necessaryr:J5l 11Using either OMC Tilt Cylinder End Cap Remover, PIN 326485, or OMC Universal Spanner Wrench, PIN 912084, and breaker bar, remove the tilt cylinder end capOnce the threads are completely disengaged, slide the tilt cylinder rod and piston out of the cylinderf161 12The Prestoite piston and rod assembly is shown at the top of the figureThe Showa piston and rod assembly is shown at the bottom of the figurer:J7l 13Inspect the bore of the tilt cylinder for excessive scoringReplace the tilt cylinder if excessive scoring is present14Service the Showa piston and rod assembly as follows: