Cylinder bore is scratched up!

Don't touch it. Don't do anything more to it.

Put it in the back of your truck, along with

Don't put it off. You need to act as soon as you realize there is a problem.
And don't warn him, just show up.

disclaimer: I am not an attorney.

– Eric

edit: Not trying to push you into something, small claims court is a giant PIA, and collecting through the sheriff even moreso, and it may not be worth the $800 to you. That's fair, too.
I will be making a move today. Getting the engine into my 4runner with the deadly temu hoist my landlord has is probably not ideal, but I can get a uhaul trailer cheap. His employee , who posted the ad, delivered it, dumped it on the ground, and tumbled it into the garage, while I was getting plywood (soft ground) to avoid exactly that! I got crushed by the hoist when it dumped, and some kind of miracle happened where I didn’t get mamed.