21 November. Thursday 2024
Aprilia RS4 125 - 2014 Specifications and Reviews
Intresting Fact:
At the point the RS4 125 was launched over 100,000 of its predecessor (RS125) had been sold
Replacement for the: 2011 Aprilia RS125
About the Aprilia RS4 125
Launched in 2011, the four stroke RS4 125 is the bigger brother to the Aprilia RS4 50 and is based on the Derbi GPR125.
A race kit is available which boosts the power from 14.8bhp to 25bhp.
Styling is based on the RSV4 superbike. There is also an optional RSV4 style quick shift system available.
General information | |
| Category | Sport |
| Year | 2014 |
| Model | Aprilia RS4 125 |
Engine and Transmission Specifications | |
| Emission details | Euro 3 |
| 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 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 |
| Power | 15.00 |
| 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 | 220 mm (8.7 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 dimensions | 130/70-R17 |
| Front tyre dimensions | 110/80-R17 |
| Rear suspension travel | 122 mm (4.8 inches) |
| Rear suspension | Swingarm. Hydraulic monoshock with adjustable spring preload. |
| Front suspension 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) |
| Overall height | 1,138 mm (44.8 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 | |
| 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) |
| Engine details | Balance shaft |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
| Model | AJS NAC12 125 MK2 |
| Color options | Black, yellow |
| Starter | Electric |
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