Motorcycles Specs > Vespa > Vespa ET4 50

Vespa ET4 50 Specs

The Vespa ET4 50 model is a Scooter bike manufactured by Vespa . In this version sold from year 2005 , the dry weight is 96.0 kg (211.6 pounds) and it is equipped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of  and a maximum torque of  . With this drive-train, the Vespa ET4 50 is capable of reaching a maximum top speed of  . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the Vespa ET4 50 has a Pressed steel monocoque frame with front suspension being Oscillating arm with helicoidal spring and dual effect hydraulic single shock absorber and at the rear, it is equipped with Helicoidal spring and dual effect hydraulic single shock absorber . Stock tire sizes are 100/80-10 on the front, and 120/70-10 on the rear. As for stopping power, the Vespa ET4 50 braking system includes Single disc size 200 mm (7.9 inches) at the front and Single disc size 110 mm (4.3 inches) at the back. 

Vespa ET4 50 General Information

Brand Vespa 
Model Vespa ET4 50 
Start year 2005 
Year 2005 
Category Scooter 
Factory Warranty (Years / miles)

Vespa ET4 50 Dimensions, Aerodynamics and weight

Frame type Pressed steel monocoque 
Seat details
Wheelbase 1,280 mm (50.4 inches) 
Length 1,760 mm (69.3 inches) 
Width 700 mm (27.6 inches) 
Seat Height 780 mm (30.7 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance
Trail size
Wheels details
Front Tyres - Rims dimensions 100/80-10 
Rear Tyres - Rims dimensions 120/70-10 
Front brakes Single disc 
Rear brakes Single disc 
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 :
Fuel Tank Capacity 9.00 litres (2.38 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension Oscillating arm with helicoidal spring and dual effect hydraulic single shock absorber 
Front Suspension Travel
Rear Suspension Helicoidal spring and dual effect hydraulic single shock absorber 
Rear Suspension Travel

Vespa ET4 50 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details
Fuel system
Engine size - Displacement - Engine capacity 49.90 ccm (3.04 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
Maximum torque
Engine Maximum RPM
Cooling system Air 
Lubrication system Wet pump with oil cup capacity of 800 cc; chain driven trochoidal pump; inlet and outlet filters. 
Engine oil capacity
Exhaust system
Gearbox Automatic 
Transmission type, final drive ratio
Clutch type Automatic dry centrifugal 

Vespa ET4 50 Performance

Top Speed
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
CO2 emissions

Vespa ET4 50 Electrical Systems, Ignition and Equipment

Ignition Type Electronic capacitive (CDI) 
Electrical Details
Starter Type Electric & kick 
How much does a Vespa ET4 50 weighs?
The Vespa ET4 50 weighs 96.0 kg (211.6 pounds).

How tall (seat height) is a Vespa ET4 50?
The Vespa ET4 50 seat height is 780 mm (30.7 inches) If adjustable, lowest setting.

How many gears does a Vespa ET4 50 have?
The Vespa ET4 50 have Automatic gears.