Ebay has a Vehicle Protection Plan which provides reimbursement up to $50,000 if you complete the transaction but don't receive the vehicle. Not sure how long it takes to get your money back, or how much of a hassle it is to go through the process. Look up vehicle protection plan on Ebay's website. I have sold a couple of motorcycles where they buyer paid me by wire, but I have always paid in cash and picked the bike up in person when buying.