Re: 50’s Johnson gear lube substitute?

[Tubs]

quote CaptChuck:

So Dad always told me to use Lubriplate (from a tube) in all the non electric shift engines. It was/is a thick white grease. The reasoning was it lubricated the gears fine and would not mix with water should your seals leak. Thus at the end of the season just open the lower fill screw and let any water in the unit drain out. The lubriplate stays put in the lower unit. Have I been lucky in that I have not had any problems or have others used this same grease?

That is what I use but its mostly because of the tube.
Don’t need another grease gun with an adapter to put
the grease in the gear case. I pay for that convenience
though as the corn head grease is quite a bit cheaper
but its worth it to me.
https://www.youtube.com/watch?v=oaaDUyIX2kI&t=29s

105 is white because it contain zinc oxide. Its
purpose is to protect the new bearing surfaces
from damage at start up. Today zinc is being
removed from our motor oils because it doesn’t
burn off and will plug up the catalytic converter.
This is having an effect on earlier motors with
flat tappet cams and why motors are manufactured
with roller cams today. The zinc in 105 in the big
motors like the Elto Quads or 4-60’s may be of
some benefit to the gears under hard acceleration
but that is just speculation on my part.

A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.