Biaggi has been testing the RSV4 at the new Portimao track since monday. Biaggi continued to get acquainted with the all-new Aprilia RSV-4, the former MotoGP racer pounding round in 1min 45.4secs. Spies was the fastest rider of the day riding around 1.44. Biaggi had sole use of the bike all day, with newly signed team-mate Shinya Nakano expected to step out Wednesday.
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