Key performance
125 cc
Displacement
12.0 L
Fuel capacity
Compare the Aprilia RX 125 with: Choose a motorcycle →
Technical specifications
Changements 2025 → 2002
- Displacement
- 124 cc → 125 cc
- Power
- 15.0 ch @ 10500 tr/min (11.0 kW) → —
- Torque
- 11.2 Nm @ 8500 tr/min → —
- Engine type
- Single cylinder, four-stroke → Single cylinder, two-stroke
- Compression ratio
- 12.6:1 → 12.5:1
- Bore × stroke
- 58.0 x 47.0 mm (2.3 x 1.9 inches) → 54.0 x 54.5 mm (2.1 x 2.1 inches)
- Valves/cylinder
- 4 → —
- Camshafts
- 2 ACT → —
- Fuel system
- Injection → Carburettor
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC) → —
- Lubrication
- Wet sump → —
- Ignition
- ECU Electronics Magneti Marelli MIUG4 ø 32 mm → —
- Starter
- Electric → Kick
- Frame
- Twin-tube, steel → —
- Final drive
- Chain (final drive) → —
- Clutch
- Wet multi-plate → —
- Front suspension
- Ø 41 mm telescopic upside down fork → —
- Rear suspension
- Steel swingarm, monoshock with progressive link system → —
- Front wheel travel
- 240 mm (9.4 inches) → 267 mm (10.5 inches)
- Rear wheel travel
- 210 mm (8.3 inches) → 270 mm (10.6 inches)
- Front brakes
- Single disc. Floating calliper. Front wheel only ABS. → Single disc
- Rear brakes
- Single disc. Floating calliper → Single disc
- Front tyre
- 90/90-21 → 90/90-21
- Rear tyre
- 120/80-18 → 120/80-19
- Seat height
- 905.00 mm → —
- Wheelbase
- 1430.00 mm → 1465.00 mm
- Length
- 2145.00 mm → 2165.00 mm
- Width
- 820.00 mm → 850.00 mm
- Height
- 1180.00 mm → 1195.00 mm
- Fuel capacity
- 7.00 L → 12.00 L
- Weight
- 134.00 kg → —
- Dry weight
- 124.00 kg → 105.00 kg
- New price
- 4 399 € → —
Engine
- Displacement
- 125 cc
- Engine type
- Single cylinder, two-stroke
- Cooling
- Liquid
- Compression ratio
- 12.5:1
- Bore × stroke
- 54.0 x 54.5 mm (2.1 x 2.1 inches)
- Fuel system
- Carburettor
- Starter
- Kick
Chassis
- Gearbox
- 6-speed
- Front wheel travel
- 267 mm (10.5 inches)
- Rear wheel travel
- 270 mm (10.6 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 90/90-21
- Rear tyre
- 120/80-19
Dimensions
- Wheelbase
- 1465.00 mm
- Length
- 2165.00 mm
- Width
- 850.00 mm
- Height
- 1195.00 mm
- Fuel capacity
- 12.00 L
- Dry weight
- 105.00 kg
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