Will due fyr, and welcome to the forum. IMHO, I would go for the C-5 military, with the Tires r80t suggested.You don't have to worry about the nice shiny paint and chrome on them Adirondack roads. The kicker IS cool, on the G-5, but again IMHO not needed. The Bike seems to have a Good modern charging system, unlike the old duel estart and kick bikes of years ago, where you had to run the bike forever to charge the battery. Two or three hits of the starter button with the head light on, and it was all over. Not so with the C-5. Pulled it out the other night, to warm it up before an oil change, 25 degrees out, hit the button, started right up, no enricher needed.Perfect high speed idle for the conditions, then settled down as it warmed.
Sidecar r80rt, I have seen some solo's, and they are cool to. Real classic looking bikes.I think out of the three, Ural,Dneaper and CJ. The CJ at least looks the part the best, and most faithful to the R71. But , if not mistaken, the Ural and Dneaper are based on the R75.