| General |
| Comments | Sold in India. | - |
| Year | - | 2012 - 13 |
| Colours | Red | - |
| Make Model | - | Aprilia RS4 125 |
| Dimensions |
| Ground Clearance (mm) | 160 mm | - |
| Ground Clearance (in.) | 6.3 inches | - |
| Seat Height | 800 mm / 31.5 in. | 820 mm / 32.3 in |
| Wheelbase | 1,335 mm / 52.6 in. | 1350 mm / 53.1 in |
| Height | 1,975 mm / 77.8 in. | 1138 mm / 44.6 in |
| Length | 1,975 mm / 77.8 in. | 1953 mm / 76.8 in |
| Width | 1,975 mm / 77.8 in. | 740 mm / 29.1 in |
| Weights & Capacities |
| Oil Capacity (Quarts) | 0.08 quarts | - |
| Oil Capacity (l) | 1.20 litres | - |
| Dry Weight | 126 kg / 277.8 lbs | 122 kg / 269 lbs |
| Fuel Capacity | 12.00 litres / 3.17 gallons | 14.5 Liters / 3.8 gal |
| Wet Weight | 137.0 kg / 302.0 lbs | - |
| Performance |
| Max Power | - | 11.7 kW / 16 hp @ 10500 rpm |
| Max Torque | 14.00 Nm (1.4 kgf-m or 10.3 ft.lbs) @ 6000 Revolutions | 11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm |
| Engine |
| Displacement (ci) | 9.34 cubic inches | - |
| Engine Type | Single cylinder, four-stroke | - |
| Bore x Stroke (mm) | 58.0 x 57.9 mm | - |
| Bore x Stroke (in,) | 2.3 x 2.3 inches | - |
| Displacement (cc) | 153.00 cc | - |
| Fuel Control | Single Overhead Cams (SOHC) | - |
| Displacement | - | 124.8 cc / 7.6 cu in |
| Engine Detail | - | Four stroke, single cylinder, DOHC, 4 valves |
| Fuel System | Carburettor | - |
| Bore x Stroke | - | 58 X 47 mm |
| Compression Ratio | 9.5:1 | 12.5 ± 0.5:1 |
| Cooling System | - | Liquid cooled |
| Emissions | - | Euro 3 |
| Engine Lubrication | Wet sump | - |
| Fuel Induction | - | Electronic injection |
| Ignition | CDI | Electronic with CDI capacity discharge |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Constant mesh wet multiplate | Multiple discs, in oil bath |
| Final Drive | Chain | Chain |
| Gear Ratios | - | 1st 11/33 (0.33) / 2nd 15/30 (0.50) / 3rd 18/27 (0.67) / 4th 20/24 (0.83) / 5th 25/27 (0.92) / 6th 23/22 (1.05) |
| Gearbox | 5-speed | - |
| Transmission / Drive | - | 6 Speed |
| Chassis |
| Frame Type | Diamond | Aluminum perimeter frame |
| Suspension - Front | Telescopic Hydraulic | ø41 mm Upside down fork |
| Suspension - Rear | Ajustable, Hydraulic Shock Absorber | Asymmetric swingarm with monoshock |
| Rake | 26.0° | - |
| Trail | 98 mm / 3.9 in. | - |
| Wheel Travel - Front | - | 110 mm / 4.3 in |
| Wheel Travel - Rear | - | 130 mm / 5.1 in |
| Electronics |
| ECU | - | Magneti Marelli MIU G3, Ø32 mm |
| Wheels & Brakes |
| Brakes - Rear Diameter (mm) | 130 mm | - |
| Brakes - Rear Diameter (in.) | 5.1 inches | - |
| Brakes - Front | Single disc | Single Ø300 mm disc, 4 piston caliper |
| Brakes - Rear | Expanding brake (drum brake) | Single Ø218 mm disc, 1 piston caliper |
| Tyres - Front | 100/80-17 | 110/80 -17 |
| Tyres - Rear | 140/60-17 | 130/70 -17 |