1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 321Get this manual
Trouble Check Chart 1Tilt only leakdown Trim-up relief valve Manual release valve Tilt piston or seals Tilt check valve Oil lines
2 Tilt and trim leakdown
Trim pistons or seals Trim cylinder sleeves Trim check valve Expansion relief valve
3No reverse lock Filter valve Manual release valve Tilt piston or seals Reverse lock check valve Oil lines
4Slow performance
Hydraulic pump Electric motor Trim-down relief valve Mechanical binding Expansion relief valve