1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 380Get this manual
15Bend tab washer away from bolt securing shift lever and remove bolt and lever from bracket 17Bend tabs on tab washers away from nuts securing bracket to steering armRemove nuts, tab washers and bracket from steering arm
51622Tab WasherBoltShift Lever
51621Tab WasherNutSteering Arm