Sorry for the confusion. I organized the chain of ownership by letter (A., B., C.). The vehicle is actually a motorcycle, a factory street legal one and it’s pretty common for people to not register them because they use them off road only. Wisconsin didn’t have a way to register off road bikes...
Bit of an interesting situation, I'll try to sort it out as simply as possible.
A.-Idaho, assuming second owner, vehicle is a 1985 model and info I can gather has activity in 1987)
B.-Wisconsin (name on title as seller, titled in 1992. searched VIN in WI and it did not show as active. Spoke...