This is cool.
And probably a nightmare for the (probably) apprentices tasked with the job of sectioning the engine.
Yeah I wanted to do that to a DKW engine, and then when I got about a quarter of the way into it I realized, it was not a simple thing to do!
Nice, but the lock-pin of the upper chain tensioner is not engaged!
edit: and no locking wire on the cam sprockets flanges screws either!