Comparison of Derbi Atlantis 50 4T 2012 and Yamaha BWs Naked 2016

Attribute	Derbi Atlantis 50 4T 2012 ×	Yamaha BWs Naked 2016 ×
General
Production from (year)	2012	2016
Make	Derbi	Yamaha
Model	Derbi Atlantis 50 4T	Yamaha BWs Naked
Category	Scooter	Scooter
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, two-stroke
Fuel system	Carburettor. 18 mm	Carburettor. Gurtner
Displacement (cm³)	49.9	49.2
Power (kw)	-	2.4
Cooling system	Air	Air
Transmission type,final drive	Belt	Belt
Torque (Nm)	-	3.6
Bore (mm)	39	40
Stroke (mm)	41.8	39.2
Gearbox	Automatic	Automatic
Driveline	CVT	-
Ignition	Electronic CDI	CDI
Clutch	Automatic	-
Lubrication system	System oil pump	Separate lubrication
Compression	11.5:1	7.2:1
Chassis
Front suspension	25 mm hydraulic fork.	Telescopic fork
Rear suspension	Monoshock.	Unit swing
Front brakes	Single disc	Single disc
Rear brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Diameter (mm)	110	110
Frame type	-	Steel
Front tyre	120/70-12	120/90-10
Rear tyre	120/70-12	150/80-10
Seat	-	Dual seat
Front wheel travel (mm)	65	70
Rear wheel travel (mm)	65	70
Other
Starter	Electric & kick	Electric & kick
Color options	black blue silver yellow	black
Light	-	Twin headlights
Instruments	-	Compact, minimalist instrument pod
Electrical Voltage (V)	12	-
Dimensions
Wheelbase (mm)	1,265	1,172
Dry weight (kg)	93	82
Power/weight ratio	-	0.0293
Overall height (mm)	1,115	1,070
Overall length (mm)	1,810	1,685
Overall width (mm)	675	690
Seat height (mm)	795	768
Performance
Reserve fuel capacity (l)	1.3	-
Fuel capacity (l)	7.1	5.3
Battery capacity (Ah)	4	-