14 August. Friday 2026
Aprilia RX 125 - 1984 Specifications and Reviews
The 1984 Aprilia RX 125 is a lightweight enduro bike designed for amateur riders and trail enthusiasts seeking affordable off-road performance. Its nimble 91kg frame, liquid-cooled single-cylinder engine, and 34 horsepower deliver competent handling on varied terrain. Known for reliable shaft-drive durability and accessibility, it remains a classic entry-level competition machine.
1984
General information | |
| Category | Enduro / offroad |
| Year | 1984 |
| Model | Aprilia RX 125 |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Shaft drive (cardan) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Membrane |
| Bore x stroke | 54.0 x 54.0 mm (2.1 x 2.1 inches) |
| Compression | 11.5:1 |
| Power | 34.00 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 91.0 kg (200.6 pounds) |
Aprilia RX 125 dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Expanding brake |
| Rear tyre dimensions | 4.00-18 |
| Front tyre dimensions | 3.00-21 |
Speed and acceleration | |
| Top speed | 130.0 km/h (80.8 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 8.50 litres (2.25 gallons) |
Performance Profile & Rider Fit
15 hp
Peak Power
80.8 mph
Top Speed
Best For
Track10%
City45%
Cornering55%
Daily Riding40%
Touring20%
Passenger15%
Rider Profile
| Best For | Well suited to beginner and learner riders thanks to its light weight, low power, and manageable seat height. |
| Purpose | Designed primarily for light trail riding, green-laning, and off-road learning rather than speed or distance. |
| Rider Fit | Its low dry weight and tall but slim enduro seat make it easy to manage for smaller or less experienced riders once moving, though the seat height can challenge shorter riders at a stop. |
| Character | A nimble, playful small-capacity enduro that rewards momentum and finesse over outright power. |
| Not Ideal For | Not suited for riders wanting high-speed touring, motorway cruising, or carrying a passenger in comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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