Motorcycles Specs > Vespa > Vespa S 50 4V

Vespa S 50 4V Specs

The Vespa S 50 4V model is a Scooter bike manufactured by Vespa . In this version sold from year 2012 , the dry weight is 96.0 kg (211.6 pounds) and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of 4.29 HP (3.1 kW) @ 8250 RPM and a maximum torque of 3.50 Nm (0.4 kgf-m or 2.6 ft.lbs) @ 6500 RPM . With this drive-train, the Vespa S 50 4V is capable of reaching a maximum top speed of 62.8 km/h (39.0 mph) . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Vespa S 50 4V have a Load-bearing sheet steel chassis frame with front suspension being Single arm link with coil spring and in the rear suspension it is equiped with Coil spring with dual effect shock absorber . Stock tire sizes are 110/70-11 on the front, and 120/70-10 on the rear. As for stopping power, the Vespa S 50 4V braking system includes Single disc size 200 mm (7.9 inches) at the front and Expanding brake (drum brake) size 110 mm (4.3 inches) at the rear. 

Vespa S 50 4V General Information

Brand Vespa 
Model Vespa S 50 4V 
Start year 2012 
Year 2012 
Category Scooter 
Factory Warranty (Years / miles)

Vespa S 50 4V Dimensions, Aerodynamics and weight

Frame type Load-bearing sheet steel chassis 
Seat details
Wheelbase 1,295 mm (51.0 inches) 
Length 1,755 mm (69.1 inches) 
Width 740 mm (29.1 inches) 
Seat Height 775 mm (30.5 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance
Trail size
Wheels details
Front Tyres - Rims dimensions 110/70-11 
Rear Tyres - Rims dimensions 120/70-10 
Front brakes Single disc 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions 200 mm (7.9 inches) 
Rear Brakes Dimensions - Disc Dimensions 110 mm (4.3 inches) 
Curb Weight (including fluids)
Dry Weight 96.0 kg (211.6 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio : 0.0447 HP/kg 
Fuel Tank Capacity 8.60 litres (2.27 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension Single arm link with coil spring 
Front Suspension Travel
Rear Suspension Coil spring with dual effect shock absorber 
Rear Suspension Travel

Vespa S 50 4V Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details Hi-per 4 
Fuel system Carburettor 
Engine size - Displacement - Engine capacity 49.40 ccm (3.01 cubic inches) 
Bore x Stroke 39.0 x 41.8 mm (1.5 x 1.6 inches) 
Compression Ratio
Number of valves per cylinder
Camshaft Valvetrain Configuration SOHC 
Maximum power - Output - Horsepower 4.29 HP (3.1 kW) @ 8250 RPM 
Maximum torque 3.50 Nm (0.4 kgf-m or 2.6 ft.lbs) @ 6500 RPM 
Engine Maximum RPM
Cooling system Air 
Lubrication system Wet sump, chain-driven lobe pump 
Engine oil capacity
Exhaust system
Gearbox Automatic 
Transmission type, final drive ratio
Clutch type Automatic dry centrifuge with damper buffers 
Driveline CVT transformer with torque assistance 

Vespa S 50 4V Performance

Top Speed 62.8 km/h (39.0 mph) 
Acceleration 0 to 100 km/h (0 to 62 mph)
Acceleration 0 to 400m (1/4 mile)
Recuperation 60 to 140 km/h in highest gear
Fuel Consumption - MPG - Economy - Efficiency 2.69 litres/100 km (37.2 km/l or 87.44 mpg) 
CO2 emissions 62.4 CO2 g/km. (CO2 - Carbon dioxide emission) 
Emissions EPA and CARB 

Vespa S 50 4V Electrical Systems, Ignition and Equipment

Ignition Type Electronic 
Electrical Details
Starter Type Electric & kick 
How much horsepower does a Vespa S 50 4V have?
The Vespa S 50 4V has 4.29 HP (3.1 kW) @ 8250 RPM.

How fast is a Vespa S 50 4V?
The Vespa S 50 4V top speed is 62.8 km/h (39.0 mph).

How much does a Vespa S 50 4V weighs?
The Vespa S 50 4V weighs 96.0 kg (211.6 pounds).

How tall (seat height) is a Vespa S 50 4V?
The Vespa S 50 4V seat height is 775 mm (30.5 inches) If adjustable, lowest setting.