Aprilia RS4 125 vs Aprilia RS4 50 Comparison

Engine & Performance

Displacement	124.8 cc	499 cc
Bore X Stroke	58 mm x 47 mm	39.86 mm x 40 mm
No. Of Strokes	4-Stroke,DTS-i	4-Stroke,DTS-i
Engine Type	4-Stroke, Liquid-Cooled	4-Stroke, Liquid-Cooled
Emission Control	Closed-loop 3-way Catalytic Converter	Closed-loop 3-way Catalytic Converter
Compression Ratio	12.5:1	11.5:1
Lubrication System	Wet Sump	Dry Sump
Cooling System	Liquid Cooled	Liquid Cooled
Air Filter Type	Replacement Air Filter	Replacement Air Filter
Valve Configuration	DOHC	DOHC
Valves Per Cylinder	4	4
Alternator	13 V, 235 W	450 W
No. Of Cylinder	1	1
Injection Type	Electronic Ignition Timing	Electronic Ignition Timing
Clutch Type	Hydraulic Multi-Plate	Hydraulic Multi-Plate
Spark Plugs Per Cylinder	2	1
Drive Type	Chain Drive	Chain Drive
Exhaust Pipes	Single Exhaust	Single Exhaust

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Performance

Engine Displacement	125 cc	500 cc
Power	14.7@10500 rpm hp	80@8000 rpm hp
Torque	10.9 Nm@8250 rpm	100 Nm@10100 rpm
Top Speed	120 kmph	121 kmph

Dimension

Width	740 mm	740 mm
Dry Weight	190 kg	183 kg
Wheel Base	1350 mm	1350 mm
Ground Clearance	127 mm	125 mm
Length	1953 mm	1953 mm
Height	1138 mm	1138 mm
Seating Capacity	2 Seats	2 Seats

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Fuel & Ignition

Ignition System	CDI (Capacitive Discharge Ignition)	CDI (Capacitive Discharge Ignition)
Start Option	Electric Start	Electric
Fuel Type	Petrol	Petrol
Fuel Supply System	EFI	EFI
Fuel Reserve	3.5 L	3.5 L

Wheels & Tyres

Rear Tyre	130/70 R17	130/70 R17
Front Tyre	100/80 R17	100/80 R17
Tyre Type	Radial	Radial
Rear Wheel Size	R17	R17
Front Wheel Size	R17	R17

Chassis & Suspension

Rear Suspension	Mono Shock	Mono Shock
Suspension Travel(Rear)	130 mm	130 mm
Front Suspension	Tilt & Telescopic	Tilt & Telescopic
Suspension Travel(Front)	110 mm	110 mm

Electrical

Pack Voltage	No	No
Power Pack	No	No
Pack Capacity	Optional	Optional

Safety & Security

ABS	Yes	No
Pass Switch	Yes	Yes
Engine Check Warning	Yes	Yes
Riding Modes	Sport,Touring,Rain Sport,Touring,Rain	Sport,Touring,Rain Sport,Touring,Rain
Back Rest	No	No
Shutter Lock	No	No
Side Reflectors	Yes	Yes
Traction Control	Yes	Yes
Launch Control	Yes	Yes
Engine Immobilizer	No	No
Central Locking	No	No
Stability Control	Yes	Yes
Leg Guards	Yes	Yes
Anti-Theft Alarm	No	No
Advanced Safety Features	Wheelie Control and Stability Wheelie Control and Stability	Wheelie Control and Stability Wheelie Control and Stability

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Console

Odometer	Digital Digital	Digital Digital
Fuel Gauge	Digital Digital	Digital Digital
Speedometer	Digital Digital	Digital Digital
Tachometer	Analog Analog	Analog Analog
Display Screen	Multi-Info Multi-Info	Digital Multi Info Digital Multi Info
Side Stand Indicator	Yes	Yes
Oil Change Indicator	Yes	Yes
Navigator	No	No

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Chassis & Suspension

Body Frame Material	Aluminium Aluminium	Aluminium Aluminium
Seat Type	Split Seat Split Seat	Split Seat Split Seat
Body Frame Type	Perimeter Steel-Aluminium Composite Frame Perimeter Steel-Aluminium Composite Frame	Twin Spar Steel Twin Spar Steel
Side Wings	Yes	Yes
Chrome Garnish	Yes	Yes
Electronic Suspension Adjustment	Yes	Yes

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Brake

Front Brake	Discs Discs	Discs Discs
Rear Brake	Discs Discs	Discs Discs

Differentiating Features

Cruise Control	No	No
Additional Features	ATC ATC	ATC ATC
Height Adjustable Seats	No	No

Electrical

Accessory Outlet	No	No
Tail Lamp	LED LED	LED LED
Head Lamp	Xenon Xenon	Xenon Xenon
Battery Voltage	12 V 12 V	12 V, 6 Ah 12 V, 6 Ah
Adjustable Headlights	Yes	Yes
Indicator Light	Yes	Yes

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