We just purchased a 2012 Viking Express. We are surprised by the lack if info on these. Who has one or knows anything about them? Already had it out once and love it!
What kind of information are you looking for? It is a pretty minimal set-up so I'm not sure what it is you're after. If you've set it up, then you've covered everything except axle and tire maintenance, and possibly water proofing the canvas as needed with 303 Aerospace Protectant.
I did see some info here but there doesn't appear to be much of an owners manual or even recognition by Viking that it ever existed.