1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 221Get this manual
4Support lower mount bracket and remove (6) bolts Inspection and Repair
1Inspect bushings and replace if wornaBolts (3 Each Side)Lower Mount Bracket
17244Bushings
5Remove shock absorber from lower mount bracket by driving out cross pin using punch and hammer
CAUTION
The shock absorber is pressurized with gasDo not disassemble unless fluid is leaking from shock absorber
NOTE: pressurized shock absorber makes tilting of the engine easier than non-pressurized shock absorberIf the shock absorber leaks fluid it can be rebuilt by installing "Shock Absorber Repair Kit" (PN 41760A2), however, the shock absorber will no longer be pressurized and the force needed to tilt the engine will be increased to that of non-pressurized shock absorberInstructions are supplied with kitIf the shock absorber leaks fluid and pressurized shock absorber is desired, replace shock absorber as an assembly