1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 270Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 270

Power Trim System Specifications
Test Trim "UP" Trim "DOWN" Readings 1300 PSI (91 kgcm2) Maximum Pressure 500 PSI (35 kgcm2) Minimum Pressure

Special Tools
Part No91-11230 91-44486A1 91-44487A1 91-52915A3 91-11243 91-74951 91-99750 Description Alignment Tool Trim Rod Removal Tool Trim Rod Guide Removal Tool Power Trim Test Gauge Kit Adaptor Fitting Spanner Wrench Multi-Meter DVA Tester