Aprilia RS4 50 Replica - 2014 Specifications and Reviews
The 2014 Aprilia RS4 50 Replica is an entry-level sport bike tailored for new and younger riders seeking an accessible introduction to sportbike styling. Its 50cc engine and lightweight construction deliver manageable performance for learners, while the aggressive fairing design replicates the look of larger Aprilia race bikes. Best known for combining practical commuting capability with replica sportbike aesthetics at an affordable price point.
Engine and Transmission Specifications | |
| Emission details | Euro 2 |
| Driveline | Chain, 11/53. Primary drive: Gears, 21/78. |
| Clutch | Multiplate wet clutch |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Automatic mixer |
| Ignition | Electronic with CDI capacity discharge |
| Fuel system | Carburettor |
| Bore x stroke | 39.9 x 39.9 mm (1.6 x 1.6 inches) |
| Compression | 11.5:1 |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.90 ccm (3.04 cubic inches) |
| Category | Sport |
| Year | 2014 |
| Model | Aprilia RS4 50 Replica |
Brakes, suspension, Frame and wheels | |
| Wheels | Light alloy with 6 split spokes, with sealing profile for tubeless tyres; front: 2.75 x 17in.; rear: 3.50 x 17in. |
| Rear brakes diameter | 218 mm (8.6 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. Radial 4 piston calliper |
| Rear tyre dimensions | 130/70-17 |
| Front tyre dimensions | 100/80-17 |
| Rear suspension | Asymmetric swingarm with monoshock, wheel travel 130 mm |
| Front suspension | 41 mm upside down fork, wheel travel 110 mm |
| | |
Physical measures and capacities | |
| Reserve fuel capacity | 3.30 litres (0.87 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 | 1,953 mm (76.9 inches) |
| Overall height | 1,138 mm (44.8 inches) |
| Seat height | 820 mm (32.3 inches) If adjustable, lowest setting. |
Other specs | |
| Comments | Sold in the UK. |
| Factory warranty | 12 months |
| Wheelbase | 1,510 mm (59.4 inches) |
| Power/weight ratio | 0.0744 HP/kg |
| Dry weight | 153.0 kg (337.3 pounds) |
| Rear tyre | 130/70-17 |
| Front tyre | 100/80-17 |
| Rear Suspension | Twin reservoir shocks |
| Front Suspension | Telescopic fork |
| Bore x Stroke | 44.0 x 40.0 mm (1.7 x 1.6 inches) |
| Power | 11.39 Horsepower">HP (8.3 Kilowatt">kW)) @ 10500 Revolutions">RPM |
| Engine details | Balance shaft |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
| Model | AJS NAC12 125 MK2 |
| Color options | Red |
| Starter | Electric |






































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