Comparison of Derbi Sonar 50 2T 2011 and Derbi Terra 125 2010

Attribute	Derbi Terra 125 2010 ×	Derbi Sonar 50 2T 2011 ×
General
Production from (year)	2010	2011
Make	Derbi	Derbi
Model	Derbi Terra 125	Derbi Sonar 50 2T
Category	Allround	Scooter
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, two-stroke
Valves per cylinder	4	-
Fuel system	Carburettor. 30 mm	Carburettor
Displacement (cm³)	124.2	49.4
Power (kw)	10.9	3.4
Cooling system	Liquid	Air
Transmission type,final drive	Chain	Belt
Torque (Nm)	-	4.7
Bore (mm)	58	40
Stroke (mm)	47	39.3
Gearbox	6-speed	Automatic
Fuel control	Double Overhead Cams/Twin Cam (DOHC)	-
Ignition	CDI	-
Clutch	Multi-plate in oil bath	Automatic centrifugal
Lubrication system	Dry sump with integrated oil deposit	Mechanical oil pump
Compression	12.0:1	10.9:1
Exhaust system	Euro 3	-
Chassis
Front suspension	Hydraulic fork	Hydraulic fork.
Rear suspension	Mono-shock with adjustable spring pre-load.	Single shock absorber
Front brakes	Single disc	Single disc
Rear brakes	Single disc	Expanding brake (drum brake)
Diameter (mm)	220	140
Front tyre	100/90-18	90/80-16
Rear tyre	130/80-17	110/80-14
Wheels	-	5-spoke black wheels
Front wheel travel (mm)	150	76
Rear wheel travel (mm)	-	64
Other
Starter	Electric	Electric & kick
Color options	black	black red white
Carrying capacity	-	Compartment underthe seat to hold a jet helmet.
Dimensions
Wheelbase (mm)	1,440	1,340
Kerb weight (kg)	130	100
Dry weight (kg)	117	95
Power/weight ratio	0.0932	0.0358
Overall length (mm)	2,144	1,960
Overall width (mm)	815	735
Seat height (mm)	795	795
Performance
Fuel capacity (l)	12	6