1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 335Get this manual

Trim Rod Reassembly 1Install lubricated O-rings and rod wiper to end cap
4Apply Loctite 271 (Obtain Locally) to threads of trim rod and install rod pistonTighten piston securely using spanner wrench (14 inx 516 inlong peg)
51145Rod WiperInner O-ringOuter O-ring

2Secure trim rod in soft jawed vise as shown3Slide end cap onto trim rodaTrim Rod PistonSpanner Wrench

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