Appropriate gear lube to use in lower unit of a 5hp 1968 Evinrude 58092M

[TKav]

I have been trying to select the proper gear lube for this older engine. I've been researching for days and totally confused. One publication says use a API GL-4 lubricant only. and "do not use" GL-5. Other sites recommend lubricants listed as GL-5. Other products list they are compatible as both GL-4 and GL-5. Maybe I'm looking too much into this but I want to be sure I use the right stuff. I appreciate the groups assistance with this questions.

 

[Edchris177]

If it’s a 1968, the model should be 5802M.
That is a very simple motor. It cares not a bit about a specific oil.
Go to your local parts store & buy a litre of off the shelf marine gear oil 75-90 or 80-90 pump it in, & go fishing.

 

[TKav]

Thanks so much Edchris. I appreciate your input. It is a very simple engine. I just waned to be sure the older parts weren't too fussy about the lube it uses. I appreciate your help. TimKav