Key performance
15 ch
Power
124 cc
Displacement
136 kg
Weight
120 km/h
Top speed
905 mm
Seat height
7.0 L
Fuel capacity
4 399 €
New price
Compare the Aprilia RX 125 with: Choose a motorcycle →
Technical specifications
Changements 2008 → 2026
- Displacement
- 125 cc → 124 cc
- Power
- — → 15.0 ch @ 10500 tr/min (11.0 kW)
- Torque
- 12.2 Nm @ 8000 tr/min → 11.4 Nm @ 8500 tr/min
- Engine type
- Single cylinder, two-stroke → Monocylindre, 4 temps
- Cooling
- Liquid → liquide
- Compression ratio
- 12.5:1 → 12-12.6 : 1
- Bore × stroke
- 54.0 x 0.0 mm (2.1 x inches) → 58 x 47 mm
- Valves/cylinder
- — → 4
- Camshafts
- — → 2 ACT
- Fuel system
- Carburettor. Dell carburetor and #146; Garden VHST 28 → Injection Ø 32 mm
- Lubrication
- Miscelazione separated with volumetric pump and variable capacity → —
- Ignition
- Electronics to capacitive discharge CDI → —
- Starter
- Kick → électrique
- Frame
- Chassis in steel to high resistenziale with double beam to attice and double crib with reggisella decomposable → Cadre double berceau en acier
- Gearbox
- — → boîte à 6 rapports
- Final drive
- Chain (final drive) → Chaîne
- Front suspension
- Teleidraulica staple to steles turned upside down from 40mm, excursion rotates 260mm → Fourche téléhydraulique inversée Ø 41 mm, déb : 240 mm
- Rear suspension
- Oscillating Forcellone in steel, hydraulic monoshock-absorber with piggy-back, excursion rotates 270mm → Mono-amortisseur, déb : 220 mm
- Front wheel travel
- 260 mm (10.2 inches) → —
- Rear wheel travel
- 270 mm (10.6 inches) → —
- Front brakes
- Single disc. floating clamp to double quantity pistoncino parallel → Freinage 1 disque Ø 260 mm, étrier 2 pistons
- Rear brakes
- Single disc. floating clamp to single pistoncino → Freinage 1 disque Ø 220 mm, étrier simple piston
- Front tyre
- 90/90-21 → 100/80-21
- Rear tyre
- 120/90-18 → 130/70-18
- Seat height
- 925.00 mm → 905.00 mm
- Seat type
- — → Selle biplaces
- Length
- 2255.00 mm → —
- Width
- 850.00 mm → —
- Height
- 1415.00 mm → —
- Fuel capacity
- 10.00 L → 7.00 L
- Weight
- — → 136.00 kg
- Dry weight
- 116.00 kg → —
- New price
- — → 4 399 €
Engine
- Displacement
- 124 cc
- Power
- 15.0 ch @ 10500 tr/min (11.0 kW)
- Torque
- 11.4 Nm @ 8500 tr/min
- Engine type
- Monocylindre, 4 temps
- Cooling
- liquide
- Compression ratio
- 12-12.6 : 1
- Bore × stroke
- 58 x 47 mm
- Valves/cylinder
- 4
- Camshafts
- 2 ACT
- Fuel system
- Injection Ø 32 mm
- Starter
- électrique
Chassis
- Frame
- Cadre double berceau en acier
- Gearbox
- boîte à 6 rapports
- Final drive
- Chaîne
- Front suspension
- Fourche téléhydraulique inversée Ø 41 mm, déb : 240 mm
- Rear suspension
- Mono-amortisseur, déb : 220 mm
Brakes
- Front brakes
- Freinage 1 disque Ø 260 mm, étrier 2 pistons
- Rear brakes
- Freinage 1 disque Ø 220 mm, étrier simple piston
- Front tyre
- 100/80-21
- Rear tyre
- 130/70-18
Dimensions
- Seat height
- 905.00 mm
- Seat type
- Selle biplaces
- Fuel capacity
- 7.00 L
- Weight
- 136.00 kg
- New price
- 4 399 €
Overview
Aprilia RX 125 2026 - Technical data and specifics of the 2026 Aprilia RX 125 trail bike.
Standard equipment
- Assistance au freinage : ABS
- Jantes à rayon
- Indicateur de vitesse engagée
Practical info
- La moto est accessible aux permis : A, A1, A2
Indicators & positioning
Weight-to-power ratio
0.11 ch/kg
Torque / weight
0.08 Nm/kg
Volumetric power
119.2 ch/L
In category Enduro / offroad · 62-248cc displacement (982 motorcycles compared)
Power 15 ch Top 44%
7 ch median 15 ch 27 ch
Weight 136 kg Lighter than 6%
72 kg median 111 kg 137 kg
P/W ratio 0.11 ch/kg Top 72%
0.08 median 0.12 0.23 ch/kg
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