Put a notice on Horizons Unlimited, blown final drive forum.
Lulz
I've posted a link to this thread on Horizons unlimited and ADVrider forums. More likely to find owners there, or at least someone who knows them.
What everybody has said already. Somewhere somebody has posted a blog or posts about it, sounds like a good story.
Could also be they finished their trip in Peru and sold cheap to a local who planned on "finessing" their entry around import laws then got distracted...that's happened before.