02 July. Thursday 2026
Rx 125 - 2025 Specifications and Reviews
The 2025 Aprilia RX 125 is an entry-level sport bike designed for novice and younger riders seeking affordable performance and agility. Known for its lightweight handling, compact dimensions, and accessible riding position, it delivers responsive acceleration with a power-to-weight ratio of 0.1210 HP/kg. The bike's digital instrumentation and electric start provide modern convenience for everyday commuting and weekend fun.
2025
General information | |
| Color Options | Black Spider, White Wonder |
| Category | Enduro / offroad |
| | |
Engine and Transmission Specifications | |
| Starting | Electric |
| Emission Details | Euro 5 |
| Emission | 60.3 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel Consumption | 2.60 litres/100 km (38.5 km/l or 90.47 mpg) |
| Clutch | Wet multi-plate |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Ignition | ECU Electronics Magneti Marelli MIUG4 ø 32 mm |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection |
| Valves Per Cylinder | 4 |
| Bore x Stroke | 58.0 x 47.0 mm (2.3 x 1.9 inches) |
| Compression Ratio | 12.6:1 |
| Max Torque | 11.2 Nm (1.1 kgf-m or 8.3 ft.lbs) @ 8000 RPM |
| Max Power | 15.0 HP (10.9 kW)) @ 10000 RPM |
| Capacity | 124.2 ccm (7.58 cubic inches) |
Physical measures and capacities | |
| Fuel Capacity | 7.00 litres (1.85 US gallons) |
| Wheelbase | 1430 mm (56.3 inches) |
| Overall Width | 820 mm (32.3 inches) |
| Overall Length | 2145 mm (84.4 inches) |
| Overall Height | 1180 mm (46.5 inches) |
| Seat Height | 905 mm (35.6 inches) If adjustable, lowest setting. |
| Power/Weight Ratio | 0.1210 HP/kg |
| Wet Weight | 134.0 kg (295.4 pounds) |
| Dry Weight | 124.0 kg (273.4 pounds) |
Rx 125 dimensions and frame | |
| Wheels | Wire spoked. |
| Rear Brakes | Single disc. Floating calliper |
| Brake Disc Diameter | 220 mm (8.7 inches) |
| Front Brakes | Single disc. Floating calliper. Front wheel only ABS. |
| Rear Tyre | 120/80-18 |
| Front Tyre | 90/90-21 |
| Rear Wheel Travel | 210 mm (8.3 inches) |
| Rear Suspension | Steel swingarm, monoshock with progressive link system |
| Front Wheel Travel | 240 mm (9.4 inches) |
| Front Suspension | Ø 41 mm telescopic upside down fork |
| Frame | Twin-tube, steel |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 Aprilia RX 125 discussion group or the general Aprilia discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Update specs | Report missing specs or required updates. |
| Instruments | Digital |
| Driveline | Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35). |
| Lubrication system | Wet sump |
| Engine type | Single cylinder, four-stroke |
| Model year | 2025 |
| Motorcycle name | Aprilia RX 125 |
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