First introduced in 1951, the Vespa 125 is a scooter that has seen 1 variant through 1952. The engine is a four strike, single cylinder, SOHC, 4 valve. Peak output is rated at 15 hp. It delivers 12.2 Nm of torque.
About the Vespa 125
Vespa introduced the 125 as part of their Scooter range, with production running from 1951 to 2009. This technical reference page documents the full specification sheet for the Vespa 125, including engine displacement, power and torque figures, frame and suspension geometry, braking systems, and overall dimensions. Select a model year above to view year-specific technical data. Specifications are compiled from official manufacturer sources.
Vespa 125 by Year
Spec Evolution
How key specs changed across production years.
No numeric spec data available for this model.
|
Specification
|
1952
|
2009
|
|
Dry Weight
|
85 kg / 187 lbs | 148 kg / 326 lbs ↑ |
|
Engine Detail
|
Two stroke, single cylinder | Four strike, single cylinder, SOHC, 4 valve |
|
Brakes - Front
|
Drum, 125 mm | Single 220mm disc ↑ |
|
Wheelbase
|
1130 mm / 44.5 in | 1395 mm / 54.9 in ↑ |
|
Fuel Capacity
|
5 L / 1.3 US gal | 9.2 Litres / 2.4 US gal ↑ |
|
Brakes - Rear
|
Drum, 125 mm | Single 220mm disc ↑ |
|
Suspension - Front
|
Elastic with coil spring and hydraulic shock absorber | Single arm 2-chamber hydraulic shock absorber |
|
Suspension - Rear
|
Elastic with coil spring and hydraulic shock absorber | 2 x shock absorbers with adjustable preload |
|
Top Speed
|
70 km/h / 43.5 mph | 105 km/h / 65 mph ↑ |
|
Clutch
|
Oil bath, 2 cork plate | Automatic dry clutch with dampers |
|
Bore x Stroke
|
56.5 x 49.8 mm | 57 x 48.6 mm ↑ |
|
Final Drive
|
Direct drive | Belt drive |
|
Length
|
1655 mm / 65.2 in | 1940 mm / 76.4 in ↑ |
|
Gear Ratios
|
1st 12 / 2nd 7.5 / 3rd 4.78:1 | CVT transmission with torque support, "twist and go" |
|
Cooling System
|
Air cooled | Liquid cooled |
|
Tyres - Front
|
3.5 x 8" | 120/70-12" ↑ |
|
Width
|
790 mm / 31.1 in | 755 mm / 29.7 in ↓ |
|
Tyres - Rear
|
3.5 x 8" | 130/70-12" ↑ |
|
Wheels
|
Interchangeable | Alloy, two tone |
|
Fuel Consumption
|
2 L/100 km / 50 km/L / 118 US mpg | 2.6 L/100 km / 38.3 km/l / 90 US mpg ↑ |
|
Transmission / Drive
|
3 Speed, grip-shift, constant mesh | Automatic |
|
Max Power
|
2.9 kW / 4 hp @ 4500 rpm | 11 kW / 15 hp @ 9750 rpm ↑ |
|
Ignition
|
Contact breaker & coil | Electronic inductive discharge |
|
Starter
|
Kick start | Electric |