Aprilia RS 125 - 2017 Specifications and Reviews
The 2017 Aprilia RS 125 is an entry-level sportbike engineered for novice and younger riders seeking an accessible performance machine. Known for its aggressive styling, nimble handling, and compact dimensions, it delivers genuine sport character without overwhelming inexperienced operators. The lightweight chassis and manageable 125cc engine make it ideal for learning racecraft and building fundamental riding skills.
About the Aprilia RS 125
Powered by a Euro 4 compliant liquid cooled 124.2cc single cylinder four stroke engine, producing 14.8bhpÂ
Slightly confusingly the 2017 RS125 replaces the 2011-2016 RS4 125, which itself replaced the 2006-2012 two stroke RS125 In the majority of countries, however still continues to carry the RS4 moniker in some!
compared to the previous version it is Euro 4 compliant and now comes with ABS.
Optional Extras include a quickshifter, USB port and smartphone connectivity.
There is a MotoGP Replica edition which includes the quickshifter.
General information | |
| Category | Sport |
| Year | 2017 |
| Model | Aprilia RS4 125 |
| | |
Engine and Transmission Specifications | |
| Emission details | Euro 4 |
| Driveline | Primary drive: Gearbox: 63/19 (3.31). Final drive: Chain: 17/40 (2.35). |
| Clutch | Multi-plate in oil bath. |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Ignition | Electronic with CDI capacity discharge |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection |
| Valves per cylinder | 4 |
| Bore x Stroke | 58.0 x 47.0 mm (2.3 x 1.9 inches) |
| Compression | 12.5:1 |
| Torque | 10.90 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM |
| Power | 15.00 HP (10.9 kW) @ 10500 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 124.80 ccm (7.62 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Light alloy with 6 split spokes |
| Rear brakes diameter | 218 mm (8.6 inches) |
| Rear brakes | Single disc. Single 30 mm piston |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. Stainless steel disc with radial 4 piston calliper |
| Rear tyre | 130/70-17 |
| Front tyre | 110/80-17 |
| Rear wheel travel | 120 mm (4.7 inches) |
| Rear Suspension | Asymmetric swingarm with monoshock |
| Front wheel travel | 110 mm (4.3 inches) |
| Front Suspension | Upside down hydraulic fork, 40 mm. |
| Frame type | Aluminium perimeter frame |
Physical measures and capacities | |
| Reserve fuel capacity | 3.50 litres (0.92 gallons) |
| Fuel capacity | 14.50 litres (3.83 gallons) |
| Wheelbase | 1,350 mm (53.1 inches) |
| Overall width | 740 mm (29.1 inches) |
| Overall length | 1,955 mm (77.0 inches) |
| Seat height | 820 mm (32.3 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 120.0 kg (264.6 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Instruments | Analogue/digital multifunction dashboard with LCD display |
| Starter | Electric |
| Color options | Black/red, silver/red |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | Ideal for beginners and A1 licence holders; a forgiving, learner-friendly sportbike that also rewards experienced riders honing technique. |
| Purpose | A pint-sized track-styled sportbike built for spirited backroad riding, carving corners, commuting, and learning proper sport riding skills. |
| Rider Fit | Light 144kg with a committed sport riding position: clip-on bars, 820mm seat and rear-set pegs. Compact and manageable but leaning-forward and firm. |
| Character | A miniature superbike with real GP-inspired attitude - eager, revvy single that must be worked hard, delivering big-bike thrills at modest speeds. |
| Not Ideal For | Not for those wanting outright speed, relaxed touring comfort, two-up practicality, off-road use, or a laid-back upright commuter. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Shop This Bike
Rider Reviews
Add a Comment
Related Motorcycle Specifications
More Aprilia Motorcycles
- Motorcycles in database: 45863
- Technical specifications: 1490298
- Images of motorcycles: 72681
- Videos: 339
- Manufacturers: 501
Please Login or Register if you would like to leave a comment.