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Sportbikes

2018Aprilia RS 125

★ 5.0
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The 2018 Aprilia RS 125 is a learner sports bike with the styling of Aprilia's larger RS models. Its liquid-cooled 124.8cc single makes 15 hp at 10,500 rpm and 10.9 Nm through a six-speed gearbox. An 820 mm seat, 145 kg wet weight and 14.5-litre tank suit new riders on the road and at track days.

Capacity
124.8 ccm
Engine
Single, four-stroke
Gearbox
6-speed
Wet weight
145.0 kg
Seat height
820 mm
Power
15.0 HP (11.0 kW) @ 10500 RPM
⇄ Compare with another bike + Add to garage All model years
Other years 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 20Agility 83Comfort 30Off-road 3Touring 22Road manners 75
Off-road & trail3%
Cornering82%
City riding62%
Daily riding60%
Touring18%
Two-up18%
Track58%
Best for
A pint-sized track-styled sportbike built for spirited backroad riding, carving corners, commuting, and learning proper sport riding skills.
Built for
A miniature superbike with real GP-inspired attitude - eager, revvy single that must be worked hard, delivering big-bike thrills at modest speeds.
Not ideal for
Not for those wanting outright speed, relaxed touring comfort, two-up practicality, off-road use, or a laid-back upright commuter.

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
At 820mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2018 Aprilia RS 125, 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
4 CO2 g/km
Torque
10.9 Nm (1.1 kgf-m) @ 8250 RPM
Engine type
Single, four-stroke
Power/weight ratio
0.1034 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 in oil bath.
Performance
Top speed
120.0 km/h (74.6 mph)
Dimensions & weight
Wheelbase
1350 mm
Overall length
1955 mm
Overall width
740 mm
Overall height
1118 mm
Seat height
820 mm
Wet weight
145.0 kg
Fuel capacity
14.50 litres
Reserve fuel capacity
3.50 litres
Dry weight
Not on record - add it
Chassis & suspension
Frame
Aluminium perimeter
Front suspension
Upside down hydraulic fork, 40 mm.
Rear suspension
Asymmetric swingarm with monoshock
Front wheel travel
110 mm
Rear wheel travel
120 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
218 mm
Front tyre
110/80-17
Rear tyre
130/70-17
Other
Color options
Black/red, silver/red

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 199720042011201820202027
Capacity 125 cc 125 cc 125 cc 125 cc 125 cc 124 cc
Dry weight 117 kg — — — 122 kg —
Seat height 780 mm 805 mm 805 mm 820 mm 820 mm 820 mm
Fuel capacity 13 L 14 L 14 L 14.5 L 14.5 L 14.5 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

5.0
★★★★★
Rider rating
MotorcycleDB

The 2018 Aprilia RS 125 is a sleek and powerful motorcycle that is sure to impress riders of all levels. With its impressive 124.2cc engine, it delivers a thrilling and responsive performance on the road. Its lightweight frame and nimble handling make it easy to maneuver in tight spaces, while its sporty design is sure to turn heads wherever you go. Whether you're a seasoned rider or new to the sport, the 2018 Aprilia RS 125 is a top choice for anyone looking for a high-performance motorcycle.

The 2018 Aprilia RS 125 is a great option for anyone looking for a stylish and powerful motorcycle. Its impressive engine and lightweight design make it a joy to ride, while its sporty appearance is sure to attract attention. Whether you're zipping through city streets or tackling winding roads, the 2018 Aprilia RS 125 offers a thrilling and enjoyable experience for riders of all skill levels. Overall, this motorcycle is a top choice for anyone in search of a high-performance and visually striking bike.

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Common questions

What is the engine size of the Aprilia RS 125?

The 2018 Aprilia RS 125 has a Capacity of 124.8 ccm (7.62 cubic inches).

What engine power does the Aprilia RS 125 have?

The 2018 Aprilia RS 125 has a Power of 15.0 HP (11.0 kW) @ 10500 RPM.

How many gears does the Aprilia RS 125 have?

The 2018 Aprilia RS 125 has a Gearbox of 6-speed.

What is the torque of the Aprilia RS 125?

The 2018 Aprilia RS 125 has a Torque of 10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM.

How much does the Aprilia RS 125 weigh?

The 2018 Aprilia RS 125 has a Wet weight of 145.0 kg (319.7 pounds).

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