2001 Mercury Mariner 50-60HP Factory Service Manual, Page 493Get this manual
BIGFOOT GEAR HOUSING
Forward Gear Reassembly
1Apply Quicksilver 2-4-C wTeflon grease to the I.Dof the bearingPress bearing onto gear using suitable mandrel (press only on inner race of bearing)Because the gear hub is longer than the bearing, tube type mandrel should be used to install the bearingThis will allow the bearing to bottom out on the gear
2-4-C wTeflon (92-850736A1)