1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 17Get this manual
Gearcase LubricationAll Models
p To avoid accidental starting of engine while servicing, twist
and remove all spark plug leads
Remove oil drain fill plug and oil level plug from gearcaseWith motor in normal operating position, allow oil to drain completelyTo refill, place tube or pressure can nozzle of OMC Hi- Vis gearcase lubricant in drainfill holer:-:=] If OMC Hi-Vis gearcase lubricant is not available, OMC Premium Blend gearcase lube can be used as an alternate
With motor in normal operating position, fill until lubricant appears at oil level hole Install oil level plug before removing lubricant tube or pressure can nozzle from oil drainfill holeDrainfill plug can then be installed securely without oil loss Tighten plugs to torque of 60-84 inIbs(7-9 Nm)