Vespa 50-125/PV/ET3/PK/XL
VESPA
50 Special 50 ccm 2T AC '72-'75 V5B1T

VESPA 50 Special 50 cc 2T AC '72-'75 V5B1T

Photo from VESPA 50 Special 50 cc 2T AC '72-'75 V5B1T | KLASSIK VESPA

Overview Vespa 50 Special (V5B1)

Between 1969 and 1972, the first series of the Vespa 50 Special was manufactured with a 3-speed gearbox, while the third series was produced from 1972 to 1983 with a 4-speed gearbox. The first series was characterised by the antique, slanted Badge on the front and rear as well as 9-inch wheels, in contrast to the 10-inch wheels of the third series. Another recognisable feature of the Vespa was the trapezoidal Headlight Unit, which was set into a chrome-plated brass ring. In addition, the Horn was covered with a plastic panelling for the first time.

The Engine of the Vespa 50 Special

The same as on the Vespa 50L, but with an SHB 16/12 Carburettor from Dellorto.

Other Vespa 50 Special (2nd series / Italy)

  • Three-speed engine with an externally mounted Ignition Coil

  • Flywheel secured by a flanged nut and a Cluster Circlip, primary ratio of 4.19

  • HT Lead with flat plug connection

  • Wire connections inside the cable box fitted with ring terminals

  • Two-line indication of the chassis number under the Engine Cover: with "DGM" at the top and frame prefix and chassis number underneath

  • Ten-inch wheels with uncovered rims

  • Brake Drum made of aluminium

  • Hub Nut Covers made of sheet steel, fitted to both the front and rear wheels

  • Centre Stand with a diameter of 20 mm

  • Single seat bench, fitted with a Luggage Hook

  • Initially two-line lettering "Vespa 50" in old, cursive lettering made of aluminium, riveted to the Legshield, later change to lettering in new font

  • Rear lettering "Special" in old, cursive font up to a certain frame number, then change to "vespa 50" in new font

  • Leg shield reinforcement in aluminium Beading design

  • Floor Runners made of aluminium with recessed rubber profiles

  • Front Cover (Horn Cover) made of light grey plastic

  • Mudguard trim and Rear Light Cover also made of light grey plastic

  • Elongated Steering Lock, fitted with a Cap

  • From 1974, enlarged ball diameter on the thin Clutch and brake levers

  • Clutch and Brake Lever fixed to the Handlebar with Phillips screws

  • Black striped handlebar grips with hexagonal Piaggio logo

  • Tank designed for Seating a seat post for Single Saddle

  • Metal control lever for the Fuel Tap

Situation used market Vespa 50 Special

Where are you looking for this vehicle?

The colours of the Vespa 50 Special (V5B1):

Colour

Colour Name

Max Meyer Code

Colour info

Biancospino

1.298.1715

1972

rosso-corsa-1-298-5847

Rosso Corsa

1.298.5847

1972

Azzurro Cina

1.298.7402

1973

Rosso Corsa 806

1.298.5806

1973

Verde Vallombrosa

1.298.6590

1974

grigio-8012m

Grigio

8012M

Rust protection/primer

Sources

General Information

  • Producer VESPA
  • Model 50 Special
  • Displacement 50 ccm
  • Cycles and cooling 2T / AC
  • Year of construction `72-`75
  • Type V5B1T
  • Chassis number (from/to) V5B1T 1001-95671
  • Built quantity 94670
  • Dimension KLASSIK VESPA
  • Vehicle type Vespa 50-125/PV/ET3/PK/XL

Years of production & chassis numbers

  • Year of construction:

Technical data

  • Chassis type: self-supporting steel frame
  • Chassis number position: at the rear right at the height of the Lock Lever Side Panel Door, German models also have a Type Plate on the tunnel on the right
  • Length: 1690 mm
  • Width: 610 mm
  • Height: 1000 mm
  • Seat height: 780 mm
  • Wheelbase: 1250 mm
  • Ground clearance: 230 mm
  • Weight (empty): 66 kg
  • perm. total weight: 142 kg
  • Turning circle: 1400 mm
  • Performance (PS): 1.45 PS
  • Performance (kW): 1.06 kW
  • at rpm: 4500
  • Top speed: 40 km/h
  • Engine type: 2-stroke internal combustion engine
  • Engine manufacturer: PIAGGIO
  • Engine number: V5A2M
  • position of engine number: on the Crankcase below the shock absorber mounting

Engine - cylinders, clutch & exhaust

  • Displacement: 49.77 ccm
  • Bore: 38.4 mm
  • Stroke: 43 mm
  • Number of cylinders: 1
  • Transfer ports: 2
  • Type of cooling: Air
  • Compression: 8,5:1
  • Starter: Kickstarter
  • Clutch: Multi-disc clutch in oil bath on Input Shaft
  • Clutch type: 3 Clutch Friction Plates, 1 centre spring
  • Stationary noise: 65 dB(a)
  • Driving noise: 73 dB(a)

Engine - Carburetor

  • Mixture preparation: Carburetor
  • Type of carburetor: Dell'Orto SHB 16.12
  • Main jet: 58
  • Idle jet: 40
  • Choke jet: 50

Engine - Transmission

  • Type of gearbox: Manual gearstick
  • Number of gears: 3
  • Gear rotation: 1st gear: 10:60 Z (6,00)
  • Gear rotation: 2nd gear: 16:54 Z (3,38)
  • Transmission: 3rd gear: 22:47 Z (2,14)
  • Gear rotation: Total: im 3. Gang: 9,10
  • Transmission: Primary: 16:68 Z (4,25)

Engine - Ignition

  • Ignition type: Interruptor ignition
  • Ignition timing: 19 °
  • Charging power (ignition): 20 W
  • Spark plug type: NGK B6HS Bosch W5AC
  • Spark plug thread: short thread
  • Pre-ignition timing: 19

Chassis - tires and rims

  • Front tyre(s): 3.00x10
  • Front rim(s): 2.10x10
  • Rear tyre(s): 3.00x10
  • Rear rim(s): 2.10x10
  • Front tyre pressure: 2,0
  • Rear tyre pressure: 2,2

Chassis - Brakes

  • Brake system: Drum Brake
  • Front brake: Ø inside 125mm lining width: 18 mm
  • Front brake operation: mechanical with Cable
  • Rear brake: Ø inside 135 mm pad width: 20 mm
  • Rear brake operation: mechanical with Cable

Chassis - steering column & swing arm

  • Front wheel guide: short swing arm with one arm
  • Rear wheel guide: Drive set swing arm
  • Front suspension: Shock Absorber L 200mm, integrated Springs
  • Rear suspension: Shock Absorber L 340 mm, integrated Springs

Electronics

  • Alternator: 6 Volt - 30 Watt, swing light magneto ignition
  • Headlights: 6V 15W P26s
  • Parking light: 6V 5W Festoon Bulb
  • Taillights: 6V 5W Festoon Bulb
  • Brake lights: 6V10W (if available)
  • Indicator lights: 6V 18W (if available)
  • Horn: 6V AC

Operating materials

  • Fuel tank capacity: 5.6 l
  • Included reserve: 1 l
  • Mixing ratio: 1:50
  • Range (approx.): 350 km
  • Gearbox oil: SAE 30
  • Amount of gearbox oil: 0.25 l
  • Fuel consumption: 1.53 l/100km

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