1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 303Get this manual
12Place cylinder body in vise as shown1141 13Using OMCUniversal Spanner Wrench PIN 912084 and breaker bar, unscrew tilt rod end capRemove tilt rod14Inspect the bore of the tilt cylinder for excessive scoring15Service the tilt piston and rod assembly as follows: aUsing OMC Hydraulic Cylinder Rod Holder PIN 983213, clamp the rod tightly in viseRemove the nut and washer from the piston end of the rodbSlide the tilt piston off the rodRemove rod a-ring Remove the outer a-ringthe four valve assemblies, which consist of springplungerand check ball All four springs, plungers and check balls are identicalThree of the four springs are one length, and the fourth spring is shorter.On reassembly, the shorter spring can be positioned in any hole in the pistonReassemble the piston by placing one ball, one plunger and one spring in each of the four holes in the pistoncUsing screwdriver, carefully pry the scraper out of the end capDiscard the scraper17