Aprilia RX 125 - 2023 Specifications and Reviews

The 2023 Aprilia RX 125 is a lightweight enduro bike designed for novice and young riders seeking affordable off-road capability. Its 124cc four-stroke engine produces 15 horsepower with modern features like fuel injection and liquid cooling, making it ideal for trail riding and learning proper technique. Known for nimble handling and manageable power delivery, the RX 125 combines Aprilia's racing heritage with accessible performance for entry-level adventurers.

3 stars Average rating: 3 from 1 votes
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General information

CategoryEnduro / offroad
Year2023
ModelAprilia RX 125

Engine and Transmission Specifications

Emission detailsEuro 5
Greenhouse gases60.3 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption2.60 litres/100 km (38.5 km/l or 90.47 mpg)
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 systemWet sump
IgnitionECU Electronics Magneti Marelli MIUG4 ø 32 mm
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection
Valves per Cylinder4
Bore x Stroke58.0 x 47.0 mm (2.3 x 1.9 inches)
Compression12.6:1
Torque10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8000 RPM
Power15.0 HP (10.9 kW) @ 10000 RPM
Engine typeSingle cylinder, four-stroke
Capacity:124.2 ccm (7.58 cubic inches)

Brakes, suspension, Frame and wheels

WheelsAluminium spoked wheel.
Rear brakesSingle disc. Floating calliper
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Floating calliper. Front wheel only ABS.
Rear tire120/80-18
Front tire90/90-21
Rear wheel travel210 mm (8.3 inches)
Rear SuspensionSteel swingarm, monoshock with progressive link system
Front wheel travel240 mm (9.4 inches)
Front SuspensionØ 41 mm telescopic upside down fork
Frame typeTwin-tube, steel
 
 

Physical measures and capacities

Fuel capacity7.00 litres (1.85 US gallons)
Wheelbase1425 mm (56.1 inches)
Overall width820 mm (32.3 inches)
Overall length2075 mm (81.7 inches)
Overall height1140 mm (44.9 inches)
Seat height905 mm (35.6 inches) If adjustable, lowest setting.
Power/weight ratio0.1210 HP/kg
Weight incl. oil, gas, etc134.0 kg (295.4 pounds)
Dry weight124.0 kg (273.4 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric
Color optionsRed flash, Silver Alien

Performance Profile & Rider Fit

15 hp
Peak Power

Best For

Track10%
City45%
Cornering55%
Daily Riding40%
Touring20%
Passenger15%

Rider Profile

Best ForWell suited to beginner and learner riders thanks to its light weight, low power, and manageable seat height.
PurposeDesigned primarily for light trail riding, green-laning, and off-road learning rather than speed or distance.
Rider FitIts low dry weight and tall but slim enduro seat make it easy to manage for smaller or less experienced riders once moving, though the seat height can challenge shorter riders at a stop.
CharacterA nimble, playful small-capacity enduro that rewards momentum and finesse over outright power.
Not Ideal ForNot suited for riders wanting high-speed touring, motorway cruising, or carrying a passenger in comfort.

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

Rider Fit Visualizer

2023 Aprilia RX 125 Rider Ergonomics Assessment

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

Feet:

At 905mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2023 Aprilia RX 125, with a cramped knee angle of around 80 degrees and an upright 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 2023 Aprilia RX 125 is a powerful and stylish off-road motorcycle that is sure to impress riders of all skill levels. With a 125cc engine and advanced suspension system, this bike offers a smooth and responsive ride on any terrain. Its aggressive design and high-quality components make it a top choice for anyone looking for a reliable and thrilling off-road experience. Whether you're a beginner or a seasoned rider, the Aprilia RX 125 is a fantastic option for those looking for a versatile and capable off-road motorcycle. From its rugged construction to its nimble handling, the 2023 Aprilia RX 125 is a standout in the competitive off-road motorcycle market. With its combination of power, performance, and style, this bike is a great choice for riders who demand the best from their off-road experience. Whether you're hitting the trails or exploring new terrain, the Aprilia RX 125 is ready to take on whatever challenges come its way. If you're in the market for a high-performance off-road motorcycle, the 2023 Aprilia RX 125 should be at the top of your list.
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