Enduro Bikes
2009Aprilia RX 125
28 fields on record
The 2009 Aprilia RX 125 is a lightweight enduro designed for novice off-road riders seeking affordable trail capability. Its compact V2 engine delivers responsive power for beginner-friendly handling on mixed terrain. Known for its proven reliability and manageable seat height, the RX 125 remains an excellent entry point into serious dirt biking.
- Capacity
- 124.8 ccm
- Engine
- Single
- Gearbox
- 6-speed
- Dry weight
- 115.0 kg
- Seat height
- 830 mm
- Power
- 21.5 HP (15.8 kW)
What’s new for the 2009 Aprilia RX 125
vs the 2008| Spec | 2008 | 2009 |
|---|---|---|
| Power | 15.0 HP (11.0 kW) | 21.5 HP (15.8 kW) |
| Torque | 12.2 Nm (1.2 kgf-m or 9.0 ft.lbs) | 16.0 Nm (1.6 kgf-m or 11.8 ft.lbs) |
| Top speed | 115.0 km/h (71.5 mph) | 120.0 km/h (74.6 mph) |
| Dry weight | 91.0 kg (200.6 pounds) | 115.0 kg (253.5 pounds) |
| Wet weight | 116.0 kg (255.7 pounds) | not listed |
| Seat height | 925 mm (36.4 inches) | 830 mm (32.7 inches) |
| Fuel capacity | 10.00 litres (2.64 US gallons) | not listed |
| Front suspension | Teleidraulica staple to steles turned upside down from 40mm, excursion rotates 260mm | 40 mm upside down hydraulic fork. Wheel travel 260 mm. |
| Rear suspension | Oscillating Forcellone in steel, hydraulic monoshock-absorber with piggy-back, excursion rotates 270mm | Steel swingarm. Hydraulic monoshock with piggy back cylinder. Wheel travel 270 mm. |
| Front brakes | Single disc. floating clamp to double quantity pistoncino parallel | Single disc |
| Rear brakes | Single disc. floating clamp to single pistoncino | Single disc |
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How it rides
Editorial estimate from the spec sheet - not lab tested- 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?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 124.8 ccm
- Power
- 21.5 HP (15.8 kW)
- Torque
- 16.0 Nm (1.6 kgf-m)
- Engine type
- Single
- Power/weight ratio
- 0.1870 HP/kg (dry)
- Compression
- 12.5:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Lubrication system
- Separate mixing with variable displacement, volumetric pump.
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multi-plate wet clutch.
Performance
- Top speed
- 120.0 km/h (74.6 mph)
Dimensions & weight
- Wheelbase
- 1480 mm
- Overall length
- 2165 mm
- Overall width
- 850 mm
- Seat height
- 830 mm
- Dry weight
- 115.0 kg
- Ground clearance
- Not on record - add it
Chassis & suspension
- Front suspension
- 40 mm upside down hydraulic fork. Wheel travel 260 mm.
- Rear suspension
- Steel swingarm. Hydraulic monoshock with piggy back cylinder. Wheel travel 270 mm.
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 110/70-17
- Rear tyre
- 150/60-17
Other
- Color options
- Black
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 | 1984 | 1994 | 2005 | 2009 | 2015 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 124 cc | 124 cc | 125 cc | 125 cc | 124 cc | 124 cc |
| Dry weight | 91 kg | 91 kg | 91 kg | 115 kg | 116 kg | 124 kg |
| Seat height | 925 mm | 925 mm | 925 mm | 830 mm | 830 mm | 905 mm |
| Fuel capacity | 8.5 L | 8.5 L | 12 L | — | 10 L | 7 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Aprilia RX 125?
The 2009 Aprilia RX 125 has a Capacity of 124.8 ccm (7.62 cubic inches).
What engine power does the Aprilia RX 125 have?
The 2009 Aprilia RX 125 has a Power of 21.5 HP (15.8 kW).
How many gears does the Aprilia RX 125 have?
The 2009 Aprilia RX 125 has a Gearbox of 6-speed.
What is the torque of the Aprilia RX 125?
The 2009 Aprilia RX 125 has a Torque of 16.0 Nm (1.6 kgf-m or 11.8 ft.lbs).
How much does the Aprilia RX 125 weigh?
The 2009 Aprilia RX 125 has a Dry weight of 115.0 kg (253.5 pounds).
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