Well, looks like that plug being removed wasn't the ticket. It lets me see the upper shaft. But, the nut must be above where the grease zerk is. The cross bolt can be removed from the outside by taking out the plastic 3/4" pipe plugs.
So, I will have to pull the engine and get the gimabal...
Here is what I found after prying off the "Mercruiser" label, at the top of the gimbal housing.
It is a 1.25" plug, aluminum I think. Is this so that I can knock this plug out, and get to the upper shaft nut? Is this an access plug?
Also, there are 3/4" plastic pipe plugs, on either side of...
I have a 1975 MC-1 233. I have to replace the gimbal ring. I have the lower gimbal ring shaft out, and the long allen screw at the to of the gimbal ring is removed.
The gimbal ring is loose, but I can't get it clear of the upper shaft (as I pull out on the lower part of the ring). Do I have...