1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 256Get this manual
Disassembly 1Remove the propeller and mounting hardwareInspect the propeller for spun hub f1l 2Drain the gearcaseRemove the oil level plugthen the oil
filidrain plug You will find magnet attached to one of the plugsInspect this magnet for the presence of metal chipsIf you do find chips on the magnet, they must be steel and must have come from one of the gears, bearings, or shafts within the gearcase, so make note for future reference while inspecting the internal componentsThe plug with the magnet must be installed in its original positionAlso, inspect the 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 propeller shaft 'housing retainers:
Remove the four propeller housing screws using 38 inthin wall socketor Remove the two screws and retainers4Remove the propeller shaft bearing housing from the gearcase: V4 modelsUse two OMC Puller Legs PIN 316982 and the puller body from OMC Universal Puller PIN 378103 to pull the housing from the gearcase V6 modelsUse two OMC Propeller Shaft Bearing Housing Pullers PIN 330278 and the puller body from OMC Universal Puller PIN 378103 to pull the housing from the gearcase0 9Q -