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Enduro Bikes

2019Aprilia RX 125

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The 2019 Aprilia RX 125 is a lightweight enduro designed for novice and young off-road riders seeking an accessible introduction to dirt biking. Its compact 124cc four-stroke engine delivers manageable power with modern fuel injection and liquid cooling, making it reliable for trail riding and off-road exploration. Known for its nimble handling and approachable performance, the RX 125 excels as a learner-friendly platform that doesn't compromise on quality engineering.

Capacity: 124.2 ccm
Engine: Single, four-stroke
Gearbox: 6-speed
Wet weight: 120.0 kg
Seat height: 905 mm
Power: 15.0 HP (10.9 kW) @ 10500 RPM

⇄ Compare with another bike ＋ Add to garage All model years

What’s new for the 2019 Aprilia RX 125

vs the 2018

Spec	2018	2019
Dry weight	116.0 kg (255.7 pounds)	not listed

Other years 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail88%

Cornering55%

City riding45%

Daily riding40%

Touring20%

Two-up15%

Track10%

Best for: Designed primarily for light trail riding, green-laning, and off-road learning rather than speed or distance.
Built for: A nimble, playful small-capacity enduro that rewards momentum and finesse over outright power.
Not ideal for: Not suited for riders wanting high-speed touring, motorway cruising, or carrying a passenger in comfort.

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

Will it fit you?

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Your height

Inseam (optional)

Units

At 905mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2019 Aprilia RX 125, with a cramped knee angle of around 80 degrees and an upright 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 over 900 mm — Sky High →

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Full specifications

Engine

Capacity: 124.2 ccm
Power: 15.0 HP (10.9 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: 0.1250 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 in oil bath.

Performance

Top speed: 120.0 km/h (74.6 mph)

Dimensions & weight

Wheelbase: 1350 mm
Overall length: 2120 mm
Overall width: 835 mm
Overall height: 1412 mm
Seat height: 905 mm
Wet weight: 120.0 kg
Fuel capacity: 7.50 litres
Dry weight: Not on record - add it
Ground clearance: Not on record - add it

Chassis & suspension

Frame: Steel perimeter
Front suspension: Ø 41 mm telescopic upside down fork
Rear suspension: Hydraulic monoshock absorber with progressive link system.
Front wheel travel: 240 mm
Rear wheel travel: 220 mm

Brakes & wheels

Front brakes: Single disc. Floating calliper
Front brakes diameter: 300 mm
Rear brakes: Single disc. Floating calliper
Rear brakes diameter: 220 mm
Front tyre: 90/90-21
Rear tyre: 120/80-18

Other

Color options: Black/red

Specs last verified against published sources: October 2026.

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	1984	1994	2005	2015	2019	2026
Capacity	124 cc	124 cc	125 cc	124 cc	124 cc	124 cc
Dry weight	91 kg	91 kg	91 kg	116 kg	—	124 kg
Seat height	925 mm	925 mm	925 mm	830 mm	905 mm	905 mm
Fuel capacity	8.5 L	8.5 L	12 L	10 L	7.5 L	7 L

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

Rider Reviews

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MotorcycleDB

The 2019 Aprilia RX 125 is a fantastic entry-level dirt bike that offers great performance and handling. Its 125cc engine provides plenty of power for off-road adventures, and its lightweight design makes it easy to maneuver through tough terrain. The bike also features high-quality components, including a robust frame and suspension system, ensuring a smooth and responsive ride. With its stylish Italian design and reliable performance, the Aprilia RX 125 is a great choice for riders looking to kickstart their off-road journey.

Overall, the 2019 Aprilia RX 125 is a top-notch dirt bike that delivers on both style and performance. Its powerful engine, lightweight design, and high-quality components make it a great option for beginners and experienced riders alike. Whether you're tearing up the trails or cruising through the countryside, the Aprilia RX 125 offers an exhilarating and reliable off-road experience. If you're in the market for a versatile and capable dirt bike, the Aprilia RX 125 is definitely worth considering.

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