1995 Johnson Evinrude "EO" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 503151, Page 201Get this manual
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 lubricant 1291
35Fill the gearcase with lubricant as follows: Secure the gearcase in an upright position Remove the oil level plug and the drainfill plugReplace their seals, if damaged Fill the gearcase with OMC Ultra-HPF gearcase lube until it appears at the oil level holeInstall the oil level plug, then the drainfill plugTighten them to torque of 84-86 inIbs(9-10 Nm) Check the oil level after the motor has been run