Key performance
34 ch
Power
124 cc
Displacement
91 kg
Weight
130 km/h
Top speed
8.5 L
Fuel capacity
Compare the Aprilia RX 125 with: Choose a motorcycle →
Technical specifications
Changements 2011 → 1986
- Displacement
- 125 cc → 124 cc
- Power
- 21.5 ch (15.7 kW) → 34.0 ch @ 10750 tr/min (24.8 kW)
- Torque
- 16.0 Nm → —
- Compression ratio
- 12.5:1 → 14.5:1
- Bore × stroke
- 54.0 x 54.5 mm (2.1 x 2.1 inches) → 54.0 x 54.0 mm (2.1 x 2.1 inches)
- Fuel system
- Carburettor. Dell’Orto VHST 28 → —
- Valve timing
- — → Membrane
- Lubrication
- Separate mixing with variable displacement, volumetric pump. → —
- Starter
- Kick → —
- Frame
- High strength steel frame with double trellis beam and double cradle. Detachable seat frame. → —
- Clutch
- Multi-plate wet clutch. → —
- 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. → —
- Rear brakes
- Single disc → Expanding brake
- Front tyre
- 110/70-17 → 3.00-21
- Rear tyre
- 150/60-17 → 4.00-18
- Seat height
- 830.00 mm → —
- Wheelbase
- 1480.00 mm → —
- Length
- 2165.00 mm → —
- Width
- 850.00 mm → —
- Fuel capacity
- 10.00 L → 8.50 L
- Weight
- — → 91.00 kg
- Dry weight
- 116.00 kg → —
Engine
- Displacement
- 124 cc
- Power
- 34.0 ch @ 10750 tr/min (24.8 kW)
- Engine type
- Single cylinder, two-stroke
- Cooling
- Liquid
- Compression ratio
- 14.5:1
- Bore × stroke
- 54.0 x 54.0 mm (2.1 x 2.1 inches)
- Valve timing
- Membrane
Chassis
- Gearbox
- 6-speed
- Final drive
- Chain (final drive)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.00-21
- Rear tyre
- 4.00-18
Dimensions
- Fuel capacity
- 8.50 L
- Weight
- 91.00 kg
Indicators & positioning
Weight-to-power ratio
0.37 ch/kg
Volumetric power
274.2 ch/L
In category Enduro / offroad · 62-248cc displacement (982 motorcycles compared)
Power 34 ch Top 2%
7 ch median 15 ch 27 ch
Weight 91 kg Lighter than 73%
72 kg median 111 kg 137 kg
P/W ratio 0.37 ch/kg Top 1%
0.08 median 0.12 0.23 ch/kg
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