1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 215Get this manual
Disassembly
1Remove the propeller and mounting hardwareInspect the propeller for spun hub
2Remove the oil level plugthen the drainfill plugand drain the lube from the gearcase into containerInspect the lube and the magnets on the plugs for metal chipsThe presence of small metal chips can indicate normal wear of the gears, bearings, or shafts within the gearcaseLarge metal chips can indicate extensive internal damageMake note for future reference while inspecting internal components
Inspect the drained lubricant for water or burned odorWater in the lubricant will give it milky appearanceOverheating will give the lubricant black color and burned odor
3Remove the two screws, washers, and retainers holding the propeller shaft bearing housing4Remove the propeller shaft bearing housing from the gearcase using the following: Puller body, pressing screw, and handle from OMC Universal Puller Kit, PI 378103 Two 5 16- 18 11 in(279 mm) threaded rods, two large 5 16 in I.Dflat washers, and two 16-18 nuts (obtain locally) Assemble components and pull the bearing housing from the gearcase