Sportbikes

2014Aprilia RS4 125 Replica

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The 2014 Aprilia RS4 125 Replica is an accessible entry-level sportbike ideal for new riders and commuters seeking nimble handling and aggressive styling. Weighing just 120 kg with a compact 820 mm seat height, it delivers sporty character with practical fuel capacity and reliable single-disc braking, making it perfect for urban riding and weekend fun.

Capacity: 124.8 ccm
Engine: Single, four-stroke
Gearbox: 6-speed
Wet weight: 120.0 kg
Seat height: 820 mm
Power: 15.0 HP (11.0 kW) @ 10500 RPM

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What’s new for the 2014 Aprilia RS4 125 Replica

vs the 2013

Spec	2013	2014
Power	16.0 HP (11.8 kW)	15.0 HP (11.0 kW) @ 10500 RPM
Torque	—	10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM
Front brakes	Single disc. 4 piston calliper	Single disc. Stainless steel disc with radial 4 piston calliper
Rear brakes	Single disc	Single disc. Single 30 mm piston

Other years 2013 2014 2015 2016

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering88%

City riding75%

Daily riding55%

Touring25%

Two-up15%

Track70%

Best for: Built as a miniature sportbike, it's best suited to sharp cornering, racetrack-style riding, and learning proper sportbike technique at low stakes speeds.
Built for: Aggressive sportbike styling and full fairings give it a race-replica character despite its small single-cylinder engine.
Not ideal for: Not suitable for highway touring, carrying a passenger comfortably, or riders seeking strong outright performance.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us

Your height

Inseam (optional)

Units

At 820mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2014 Aprilia RS4 125 Replica, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 124.8 ccm
Power: 15.0 HP (11.0 kW) @ 10500 RPM
CO2 Emissions: 3 CO2 g/km
Torque: 10.9 Nm (1.1 kgf-m) @ 8250 RPM
Engine type: Single, four-stroke
Power/weight ratio: 0.1250 HP/kg (wet)
Bore x stroke: 58.0 x 47.0 mm
Compression: 12.5:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: Electronic with CDI capacity discharge
Valves per cylinder: 4
Lubrication system: Wet sump

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Multi-plate wet clutch with mechanical slip system

Dimensions & weight

Wheelbase: 1350 mm
Overall length: 1955 mm
Overall width: 740 mm
Overall height: 1138 mm
Seat height: 820 mm
Wet weight: 120.0 kg
Fuel capacity: 14.50 litres
Reserve fuel capacity: 3.50 litres
Dry weight: Not on record - add it

Chassis & suspension

Frame: Aluminium perimeter frame
Front suspension: Upside down hydraulic fork, 40 mm.
Rear suspension: Swingarm. Hydraulic monoshock with adjustable spring preload.
Front wheel travel: 110 mm
Rear wheel travel: 130 mm

Brakes & wheels

Front brakes: Single disc. Stainless steel disc with radial 4 piston calliper
Front brakes diameter: 300 mm
Rear brakes: Single disc. Single 30 mm piston
Rear brakes diameter: 220 mm
Front tyre: 110/80-R17
Rear tyre: 130/70-R17