It will not be hard to insure with liability insurance. I can usually find liability ins for about $7-10 a month. It's probably not worth insuring with full coverage anyway. It may be a bike you could play with, mess with, and ride, keeping the miles and depreciation off your other scooters. That alone should equate to some dollars over the years along with it being a sellable bike later for maybe even a little bit more than you paid for it.
But as they say.... without pics it ain't a real bike!