1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 311Get this manual
t=l the UP circuit 8Install pressure gauge and adapter "A" to check problems in Tighten gauge and adapter lightly to 5-10 inIbs(0,6-1,2 Nm)Excessive torque might damage adapter or a-ring
9Cycle hydraulic unit UP and DOWN several times and check fluid level before proceeding
t=l unit UP
10With all cylinders completely retracted, begin running the The gauge should show approximately 200 PSI (1379 kPa) as the cylinders are extending The gauge should show approximately 1500 PSI (10,342 kPa) as the unit stalls The stall pressure reading must not drop by more than 200 PSI (1379 kPa) after the motor stops10572
11If your test results vary from those in Step 10, problem in the UP circuit is indicatedRefer to Page 8-44 for list of possible faults
t=l adapter "8" to check problems in the DOWN circuit
12Following Steps through 9, install pressure gauge and