1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 288Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 288

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11 Run trim "UP"The minimum pressure should be 1300 P.S.I(91 kgcm2)12 Run trim "DOWN" to release pressure and remove spare tilt pin or bolts and nuts13 Tilt outboard full "UP" and engage tilt lock lev