Comparison of Piaggio Liberty S 125 and Vespa PX 150 2011

Attribute	Vespa PX 150 2011 ×	Piaggio Liberty S 125 ×
General
Production from (year)	2011	2007
Make	Vespa	Piaggio
Model	Vespa PX 150	Piaggio Liberty S 125
Category	Scooter	Scooter
Engine and transmission
Engine type	Single cylinder, two-stroke	Single cylinder, four-stroke
Valves per cylinder	2	-
Fuel system	Carburettor	Carburettor
Engine details	Rotary inlet valve	-
Displacement (cm³)	149.6	124
Power (kw)	-	7.3
Fuel consumption (l/100km)	-	28
Cooling system	Air	Air
Transmission type,final drive	Belt	Belt
Torque (Nm)	-	9.8
Bore (mm)	57.8	57
Stroke (mm)	57	48.6
Gearbox	4-speed	Automatic
Greenhouse gases	-	649.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel control	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)
Clutch	Wet, centrifugal clutch, cable operated	Dry automatic centrifugal type
Lubrication system	Oil pump	Wet sump
Compression	-	10.6:1
Chassis
Front suspension	Single sided trailing link with hydraulic shock absorber	Telehydraulic fork, 76 mm travel
Rear suspension	Hydraulic monoshock	Hydraulic monoshock, 4 position spring preload, 85.5 mm travel
Front brakes	Single disc	Single disc
Rear brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Diameter (mm)	150	140
Frame type	Monocoque steel frame	-
Front tyre	120-10	90/80-16
Rear tyre	120-10	110/80-14
Seat	2-person seat	-
Other
Starter	Electric & kick	Electric
Dimensions
Dry weight (kg)	97	108
Power/weight ratio	-	0.0676
Overall length (mm)	1,810	1,935
Overall width (mm)	740	670
Seat height (mm)	810	805
Performance
Top speed (km/h)	87	92
Reserve fuel capacity (l)	-	1
Fuel capacity (l)	8	5