1990 Johnson Evinrude "ES" Cross V 88 thru 115, 150 thru 175, P/N 507874, Page 336Get this manual
Trouble Check Chart 1Tilt only leakdown Trim-up relief valve Manual release valve Tilt piston or seals Tilt check valve Oil lines 2Tilt 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 Slow performance Hydraulic pump Electric motor Trim-down relief valve Mechanical binding Expansion relief valve 5No operation, motor runs Pump coupler Hydraulic pump Fluid level No trim under load Trim-up relief valve Manual release valve Trim pistons or seals Trim cylinder sleeves Expansion relief valve 7No tilt down Filter valve Manual release valve Trim-down relief valve Pump control piston 8Unit locked in tilt up Expansion relief valve