1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 191Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 191

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12 Install thrust bearing Coat thrust bearing with Quicksilver Gear Lubricant (92-13783A24) Forward Gear Reassembly
13 Install reverse gear

28062 19202 Reverse GearMandrelBearing, N