04 November. Tuesday 2025
Aprilia RS4 50 Replica - 2014 Specifications and Reviews
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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