Motorcycles Specs > Vespa > Vespa ET4 125

Vespa ET4 125 Specs

Vespa ET4 125 image
The Vespa ET4 125 model is a Scooter bike manufactured by Vespa . In this version sold from year 2005 , the dry weight is 104.0 kg (229.3 pounds) and it is equipped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of 16.09 HP (11.7 kW) @ 8800 RPM and a maximum torque of  . With this drive-train, the Vespa ET4 125 is capable of reaching a maximum top speed of 95.0 km/h (59.0 mph) . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the Vespa ET4 125 has a Pressed steel monocoque frame with front suspension being Oscillating arm with helicoidal spring and hydraulic double effect single damper and at the rear, it is equipped with Helicoidal adjustable spring and hydraulic double effect single damper . Stock tire sizes are 100/80-10 on the front, and 120/70-10 on the rear. As for stopping power, the Vespa ET4 125 braking system includes Double disc size 200 mm (7.9 inches) at the front and Expanding brake (drum brake) size 110 mm (4.3 inches) at the back. 

Vespa ET4 125 General Information

Brand Vespa 
Model Vespa ET4 125 
Start year 2005 
Year 2005 
Category Scooter 
Factory Warranty (Years / miles)

Vespa ET4 125 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 Double 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 104.0 kg (229.3 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio : 0.1547 HP/kg 
Fuel Tank Capacity 9.00 litres (2.38 gallons) 
Reserve Fuel Capacity
Carrying Details and Capacity
Front Suspension Oscillating arm with helicoidal spring and hydraulic double effect single damper 
Front Suspension Travel
Rear Suspension Helicoidal adjustable spring and hydraulic double effect single damper 
Rear Suspension Travel

Vespa ET4 125 Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details
Fuel system
Engine size - Displacement - Engine capacity 124.02 ccm (7.57 cubic inches) 
Bore x Stroke 57.0 x 48.6 mm (2.2 x 1.9 inches) 
Compression Ratio
Number of valves per cylinder
Camshaft Valvetrain Configuration SOHC 
Maximum power - Output - Horsepower 16.09 HP (11.7 kW) @ 8800 RPM 
Maximum torque
Engine Maximum RPM
Cooling system Air 
Lubrication system Wet pump with cup capacity of 1 litre, chain driven lobe pump 
Engine oil capacity
Exhaust system
Gearbox Automatic 
Transmission type, final drive ratio
Clutch type Automatic centrifuge type 

Vespa ET4 125 Performance

Top Speed 95.0 km/h (59.0 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
CO2 emissions

Vespa ET4 125 Electrical Systems, Ignition and Equipment

Ignition Type Electronic CDI and variable timing 
Electrical Details
Starter Type Electric & kick 
How much horsepower does a Vespa ET4 125 have?
The Vespa ET4 125 has 16.09 HP (11.7 kW) @ 8800 RPM.

How fast is a Vespa ET4 125?
The Vespa ET4 125 top speed is 95.0 km/h (59.0 mph).

How much does a Vespa ET4 125 weighs?
The Vespa ET4 125 weighs 104.0 kg (229.3 pounds).

How tall (seat height) is a Vespa ET4 125?
The Vespa ET4 125 seat height is 780 mm (30.7 inches) If adjustable, lowest setting.

How many gears does a Vespa ET4 125 have?
The Vespa ET4 125 have Automatic gears.