Comparison of Aprilia RS4 50 2018 and Derbi Variant Sport 50 2T 2017

Attribute	Aprilia RS4 50 2018 ×	Derbi Variant Sport 50 2T 2017 ×
General
Production from (year)	2018	2017
Make	Aprilia	Derbi
Model	Aprilia RS4 50	Derbi Variant Sport 50 2T
Category	Sport	Scooter
Engine and transmission
Engine type	Single cylinder, two-stroke	Single cylinder, two-stroke
Fuel system	Carburettor	Carburettor. Keihin 26mm
Engine details	Reed intake valve	-
Displacement (cm³)	49.9	49.4
Cooling system	Liquid	Air
Transmission type,final drive	Chain	Belt
Bore (mm)	39.9	40
Stroke (mm)	39.9	39.3
Gearbox	6-speed	Automatic
Emission details	Euro 2	-
Driveline	Chain, 11/53. Primary drive: Gears, 21/78.	-
Ignition	Electronic with CDI capacity discharge	Electronic CDI
Clutch	Multiplate wet clutch	Centrifugal automatic, dry
Lubrication system	Automatic mixer	Mechanical oil pump
Compression	11.5:1	10.1:1
Chassis
Front suspension	41 mm upside down fork	Telescopic hydraulic fork
Rear suspension	Asymmetric swingarm with monoshock	Single shock absorber.
Front brakes	Single disc. Radial 4 piston calliper	Single disc
Rear brakes	Single disc	Expanding brake (drum brake)
Diameter (mm)	220	140
Front tyre	100/80-17	120/70-14
Rear tyre	130/70-17	120/70-14
Seat	-	Two-person seat
Wheels	-	Black 5-spoke rims
Front wheel travel (mm)	110	85
Rear wheel travel (mm)	122	84
Other
Starter	Electric	Electric
Color options	black yellow	black red white
Instruments	LCD screen	-
Dimensions
Wheelbase (mm)	1,350	1,358
Overall length (mm)	1,953	1,950
Overall width (mm)	740	740
Seat height (mm)	820	775
Performance
Reserve fuel capacity (l)	3.3	1.5
Fuel capacity (l)	14.5	7