1994 Johnson Evinrude "ER" 90 LV 120 thru 140, 185 thru 225, 250, 300 Service Manual P/N 500612, Page 332Get this manual

1994 Johnson Evinrude "ER" 90 LV 120 thru 140, 185 thru 225, 250, 300 Service Manual P/N 500612, Page 332

34Lightly apply OMC Triple-Guard grease to new O-ring (8)and install it on the bearing housingCarefully apply OMC Gasket
PSI (21-42 kPa)If pressure gauge indicates leakage, submerge the gearcase in water to determine source of leakage as evidenced
by bubblesIf the gearcase pressure gauge does not indicate leakage, increase pressure to 16-18 PSI (110-124 kPa)If pressure
does not hold, submerge the gearcase in water and check for source of leakageMake necessary repairs and repeat test Screw
in vacuum testerPump outto 3-5 in(76-127 mm) of mercury and see if vacuum holdsThen, pump out to 15 in (381 mm) of mercury
and checkIf the gearcase fails to hold on either test, put oil around suspected sealIf leak then stops or oil is drawn in,
that seal is defectiveWhen the gearcase checks OK, refill with the proper lubricant38Fill the gearcase with lubricant as
follows: Secure the gearcase in an upright position Remove the oil level plug and the drainfill plugReplace their seals,