Key performance
15 ch
Power
125 cc
Displacement
143 kg
Weight
124 km/h
Top speed
780 mm
Seat height
13.0 L
Fuel capacity
Compare the Aprilia RS 125 with: Choose a motorcycle →
Technical specifications
Changements 2021 → 1999
- Displacement
- 124 cc → 125 cc
- Power
- 15.0 ch @ 10000 tr/min (20.6 kW) → 15.0 ch @ 7000 tr/min (10.9 kW)
- Torque
- 11.2 Nm @ 8000 tr/min → 15.0 Nm @ 6250 tr/min
- Engine type
- Single cylinder, four-stroke → Single cylinder, two-stroke
- Bore × stroke
- 58.0 x 47.0 mm (2.3 x 1.9 inches) → 54.0 x 54.4 mm (2.1 x 2.1 inches)
- Valves/cylinder
- 4 → —
- Camshafts
- 2 ACT → —
- Fuel system
- Carburettor. Magneti Marelli M3G ø 32mm ECU → —
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC) → —
- Lubrication
- Wet sump → —
- Ignition
- Electronic with CDI capacity discharge → —
- Frame
- Aluminium perimeter → —
- Clutch
- Multiple discs, in oil bath → —
- Front suspension
- Upside down hydraulic fork, 41 mm. → —
- Rear suspension
- Swingarm. Hydraulic monoshock with adjustable spring preload. → —
- Front wheel travel
- 110 mm (4.3 inches) → 120 mm (4.7 inches)
- Rear wheel travel
- 120 mm (4.7 inches) → —
- Front brakes
- Single disc. ABS. Stainless steel disc with radial 4 piston calliper → Single disc
- Rear brakes
- Single disc. Stainless steel disc and calliper with single 30 mm piston. → Single disc
- Front tyre
- 100/80-R17 → 110/70-ZR17
- Front tyre pressure
- 1.70 bar → —
- Rear tyre
- 130/70-R17 → 150/60-ZR17
- Rear tyre pressure
- 1.80 bar → —
- Seat height
- 820.00 mm → 780.00 mm
- Wheelbase
- 1353.00 mm → 1345.00 mm
- Length
- 1968.00 mm → —
- Width
- 760.00 mm → —
- Height
- 1135.00 mm → —
- Fuel capacity
- 14.50 L → 13.00 L
- Weight
- 144.00 kg → 143.00 kg
- New price
- 5 399 € → —
Engine
- Displacement
- 125 cc
- Power
- 15.0 ch @ 7000 tr/min (10.9 kW)
- Torque
- 15.0 Nm @ 6250 tr/min
- Engine type
- Single cylinder, two-stroke
- Cooling
- Liquid
- Compression ratio
- 12.5:1
- Bore × stroke
- 54.0 x 54.4 mm (2.1 x 2.1 inches)
- Starter
- Electric
Chassis
- Gearbox
- 6-speed
- Final drive
- Chain (final drive)
- Front wheel travel
- 120 mm (4.7 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 110/70-ZR17
- Rear tyre
- 150/60-ZR17
Dimensions
- Seat height
- 780.00 mm
- Wheelbase
- 1345.00 mm
- Fuel capacity
- 13.00 L
- Weight
- 143.00 kg
Indicators & positioning
Weight-to-power ratio
0.10 ch/kg
Torque / weight
0.10 Nm/kg
Volumetric power
120.0 ch/L
In category Sport · 63-250cc displacement (1968 motorcycles compared)
Power 15 ch Top 36%
7 ch median 14 ch 35 ch
Weight 143 kg Lighter than 36%
106 kg median 137 kg 174 kg
P/W ratio 0.10 ch/kg Top 55%
0.07 median 0.11 0.25 ch/kg
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