VA51T is a Vespa frame VIN code.

VA51T vespa models

PK50s Automatica (1984 - 1984)

Model, together with the 125 version Automatic, which has probably contributed to the evolution of today's scooter had replaced the manual clutch and gearbox three / four speed transmission with automatic drive and centrifugal clutch . He had removed the rear brake pedal, putting it on the left lever in place of the clutch instead of the gears, had the "insane" and "homing", which was to be engaged exclusively at low engine speeds to avoid "scratching" gear graft.

PK50s Automatica Elestart (1984 - 1986)

Model design mixed continuously variable automatic transmission with electronic ignition and starter.