After 3 months of waiting and worrying about the murky past of my 82 honda passport c70 (see attached --786 miles!), I finally got the papers and it's all legal, good to go. The seller assured me that it wasn't stolen and supplied only a bill of sale and a copy of his license, and he was right. I will plug for International Title Service...painless process. $165 got me plates, title and registration within 4 weeks. Now I can put money into it (tune up) without the fear of some cop showing up at my door about a stolen scooter.
As an aside, I have heard that a lot of states are no longer accepting papers from Alabama for whatever reason. That is one of the states that a lot of the services use because of its more lenient/rational dmv laws. My guy used Maine.