In AZ, at least with guitars (which is all I've ever pawned), weapons, and other high-dollar items, they get a full record (including fingerprint) of the person bringing it in. I don't believe they actively reference every item received with TPD, but if something does come back as stolen there's a paper trail.
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A race bike in any era is a highly personal choice that at its "best" balances the requirements of fit, weight, handling, durability and cost tempered by the willingness to toss it and oneself down the pavement at considerable speed. ~Bandera