Comparison of Derbi Sonar 125 4T 2011 and Piaggio Liberty 125 4 Stroke 2005

Attribute	Derbi Sonar 125 4T 2011 ×	Piaggio Liberty 125 4 Stroke 2005 ×
General
Production from (year)	2011	2005
Make	Derbi	Piaggio
Model	Derbi Sonar 125 4T	Piaggio Liberty 125 4 Stroke
Category	Scooter	Scooter
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, two-stroke
Fuel system	Carburettor	-
Displacement (cm³)	124	124
Power (kw)	7.7	7.3
Fuel consumption (l/100km)	-	28
Cooling system	Air	Air
Transmission type,final drive	Belt	-
Torque (Nm)	9.6	10.2
Bore (mm)	57	57
Stroke (mm)	48.6	48.6
Gearbox	Automatic	-
Greenhouse gases	-	649.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel control	-	Single Overhead Cams (SOHC)
Emission details	Compartment underthe seat to hold a jet helmet.	-
Ignition	-	Electronic CDI
Clutch	Automatic centrifugal	Dry automatic centrifugal type
Lubrication system	Mechanical oil pump	Wet sump
Compression	10.6:1	10.6:1
Chassis
Front suspension	32 mm fork.	Telehydraulic fork
Rear suspension	Monoshock	Hydraulic monoshock, 4 position spring preload.
Front brakes	Single disc	Single disc
Rear brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Diameter (mm)	140	140
Frame type	-	Steel tubes
Front tyre	90/80-16	90/80-16
Rear tyre	110/80-14	110/80-14
Front wheel travel (mm)	76	76
Rear wheel travel (mm)	64	86
Other
Starter	Electric	Electric
Color options	black red white	-
Dimensions
Wheelbase (mm)	1,325	1,335
Dry weight (kg)	99	99
Power/weight ratio	0.0778	0.0737
Overall length (mm)	1,930	1,935
Overall width (mm)	740	670
Seat height (mm)	805	775
Performance
Fuel capacity (l)	6	6