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.

Vespa PK50s Automatica - Series description

VA51T  1984-1984

Vespa PK50s Automatica - Technical specification

Frame type Rim Gears speed km/h Specification

VA51T  1984-1984


smallframe 10" 1 gears 40 km/h

Colors white red blue Engine 2-stroke single cylinder Displacement 49.79 cc Bore and stroke 38.4 X 43 mm Compression ratio 9:1 Power / RPM 1.5 hp / 4500 rpm Torque / revs nd Cooling Forced air Distribution rotating Supply Carburetor orchard 10 Mixture 2% Ignition electronics Start crank Clutch multidisc in oil bath Change 4-speed knob Cycling Frame Monocoque Front suspension Pull rod wheel with coil spring and shock absorber Rear Suspension Coil spring and shock absorber Final Drive Direct Wheels Cantilever interchangeable with disk decomposable Front brake 125 mm drum Rear brake Drum 150 mm Tires 3.00 X 10 front and rear Dimensions and Weight Length 1675 mm Width 700 mm Seat height 790 mm Wheelbase 1175 mm Tank 5.8 liters Weight 70 Kg Performance claims Speed ​​'maximum 40 km / h acceleration nd consumption 2 l \ 100 km

Vespa PK50s Automatica - VIN numbers; VIN serial numbers; Chassis number

  VIN prefix Year VIN Chassis Number Vespas made  
VA51T 1984 1101 - 1352 251

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