Just got the 90hp recently and it is on a pallet, and would be switching onto the boat instead of the 110 as the 110 will need some work and opener is soon. So would be needing a stand for one at the minimum.There are designs online for OB motor stands. I have personally built a dozen or more stands, but for motors between 3 HP and 35 HP.
I guess you could go bigger, and a google search would probably provide specs. But my questions would be: Why would you need a stand? Why would you take it off the boat?
Regardless, at that weight you would need a hoist to maneuver it. The biggest motor I ever moved from one boat to another was a 3 cyl Evinrude 60 HP, and I wouldn't want to do that again.
An engine stand or a shop crane?I build them with 2 X 4 drilled & bolted together.
You could even buy and slightly modify a engine hoisting stand. Harbor Fright used to sell great cheapies. That lifted any car V 8 engine.