Aprilia RS 125 - 2020 Specifications and Reviews

The 2020 Aprilia RS 125 is an agile, lightweight sportbike designed for entry-level and intermediate riders seeking authentic track-inspired performance. Known for its nimble handling and responsive character, it delivers genuine racing DNA in an accessible package. Its compact dimensions and manageable 820mm seat height make it ideal for newer riders building confidence and developing skills.

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General information

CategorySport
Year2020
ModelAprilia RS 125

Engine and Transmission Specifications

Emission detailsEuro 4
DrivelinePrimary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35).
ClutchMulti-plate in oil bath.
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemSeparate mixing with variable displacement, volumetric pump.
IgnitionElectronic with CDI capacity discharge
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemCarburettor. Magneti Marelli M3G ø 32mm ECU
Bore x Stroke58.0 x 47.0 mm (2.3 x 1.9 inches)
Compression12.5:1
Power28.2 HP (20.6 kW)
Engine detailsRead valve intake.
Engine typeSingle cylinder, four-stroke
Capacity:124.2 ccm (7.58 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsAluminium alloy rims
Rear brakesSingle disc
Diameter300 mm (11.8 inches)
Front brakesSingle disc
Rear tire130/70-R17
Front tire100/80-R17
Rear wheel travel120 mm (4.7 inches)
Rear SuspensionSwingarm. Hydraulic monoshock with adjustable spring preload.
Front wheel travel110 mm (4.3 inches)
Front SuspensionUpside down hydraulic fork, 41 mm.
Frame typeSloping twin-spar frame in thin wall box section cast aluminium, with reinforcement cross-ribbing.

Physical measures and capacities

Reserve fuel capacity3.50 litres (0.92 US gallons)
Fuel capacity14.50 litres (3.83 US gallons)
Wheelbase1353 mm (53.3 inches)
Overall width760 mm (29.9 inches)
Overall length1968 mm (77.5 inches)
Overall height1135 mm (44.7 inches)
Seat height820 mm (32.3 inches) If adjustable, lowest setting.

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric
Color optionsBlack/Red, Silver/Black/Red

Performance Profile & Rider Fit

14.8 hp
Peak Power
9.5s
0-60 mph

Best For

Track58%
City62%
Cornering82%
Daily Riding60%
Touring18%
Passenger18%

Rider Profile

Best ForIdeal for beginners and A1 licence holders; a forgiving, learner-friendly sportbike that also rewards experienced riders honing technique.
PurposeA pint-sized track-styled sportbike built for spirited backroad riding, carving corners, commuting, and learning proper sport riding skills.
Rider FitLight 144kg with a committed sport riding position: clip-on bars, 820mm seat and rear-set pegs. Compact and manageable but leaning-forward and firm.
CharacterA miniature superbike with real GP-inspired attitude - eager, revvy single that must be worked hard, delivering big-bike thrills at modest speeds.
Not Ideal ForNot for those wanting outright speed, relaxed touring comfort, two-up practicality, off-road use, or a laid-back upright commuter.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2020 Aprilia RS 125 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 820mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2020 Aprilia RS 125, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2020 Aprilia RS 125 is a top-of-the-line motorcycle that boasts impressive performance and sleek design. With a powerful 125cc engine, this bike delivers impressive speed and acceleration, making it a great choice for riders looking for a thrilling ride. The RS 125 also features advanced technology such as a digital display and ride-by-wire throttle, providing riders with a modern and intuitive experience. Additionally, the bike's compact and lightweight frame makes it easy to handle and maneuver, perfect for navigating through city streets or taking on tight turns. Overall, the 2020 Aprilia RS 125 is a fantastic option for riders who value performance, style, and advanced technology. Its powerful engine, modern features, and sleek design make it a standout choice in the motorcycle market. Whether you're a seasoned rider or a beginner looking for an exciting ride, the RS 125 is sure to deliver a thrilling and enjoyable experience on the road.
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