1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 316Get this manual
Tilt Mode or Shallow Water Drive Mode
EJ and seals are pressurized and must hold pressure:
1Shock absorber valves 2Tilt piston seals
While running in the shallow water drive mode, or while the motor is tilted, the following valves
in the tilt cylinder piston