Aprilia RS 125 Nero (2006)

Aprilia RS 125 Nero (2006)

The Aprilia RS 125 Nero is a masterclass in compact, high-performance engineering. Its 125cc two-stroke engine, inspired by the company’s successful GP machines, delivers exceptional punch and agility on twisty roads.

With its radical new styling, the RS 125 Nero echoes the RSV1000 Factory’s sleek lines, while its wind-tunnel-optimized design ensures a razor-sharp aerodynamic profile.

A sophisticated array of upgrades underpins this impressive package, including radial master cylinders, high-specification front and rear brakes, and a cutting-edge instrument panel.

The RS 125 Nero is more than just a bike – it’s an experience waiting to happen. With its super-rigid aluminium frame and swingarm, derived from Aprilia’s GP expertise, and its thrilling Rotax two-stroke engine available in full-power versions, this pocket rocket is ready to devour any road or track with impunity.

Key Specifications

Engine TypeSingle cylinder, two stroke, reed valves induction
Engine Capacity124.8 cc / 7.5 cu in
Max Power21 kw / 28 hp
Max Torque19 Nm / 1.9 kgf-m / 14.1 lb-ft @ 9000 rpm
Fuel Tank Capacity3.7 US gallons / 14.0 L
Weight (Wet/Kerb)313 lbs / 142 kg
Seat Height31.7 inches / 805 mm
Aprilia RS 125 Nero (2006)

All Specifications

Make & Model

ModelAprilia RS 125 Nero
Year2006

Engine

Engine TypeSingle cylinder, two stroke, reed valves induction
Displacement124.8 cc / 7.5 cu in
Bore x Stroke54 x 54.5mm
Compression Ratio12.5:1
Max Horsepower21 kw / 28 hp
Max Torque19 Nm / 1.9 kgf-m / 14.1 lb-ft @ 9000 rpm
Engine Management SystemDell’Orto PHBH 28 carburetor
Lubrication SystemSeparate mixing, volumetric pump
Cooling SystemLiquid cooled

Performance

Top Speed155 km/h / 96 mph

Transmission

ClutchWet, multi-disc
Gearbox6 Speed
Gear Ratios1st 10:30 / 2nd 14:29 / 3rd 17:27 / 4th 19:25 / 5th 21:24 / 6th 22:23
Final Drive17:40

Electrical & Electronics System

StarterElectric

Chassis & Suspension

Frame TypeCast aluminium, reinforced box section, sloping twin-spar frame
Front SuspensionUpside-down forks, 40mm
Front Suspension Travel4.7 inches / 120 mm
Rear SuspensionMonoshock, cast aluminium box section swingarm with asymmetric members
Rear Suspension Travel4.7 inches / 120 mm

Wheels & Brakes

WheelsAluminium alloy
Front Wheel/Rim Size3.00 x 17
Front Tire Size110/70-17
Rear Wheel/Rim Size4.00 x 17
Rear Tire Size150/60-17
Front BrakesSingle 320 mm floating discs, 4 piston radial caliper
Rear BrakesSingle 220 mm disc, 2 piston caliper

Dimension & Weights

Overall Length1955 mm / 77.0 in
Overall Width720 mm / 28.3 in
Overall Height1100 mm / 43.3 in
Seat Height31.7 inches / 805 mm
Wheelbase53.0 inches / 1345 mm
Fuel Tank Capacity3.7 US gallons / 14.0 L
Wet (kerb/curb) Weight313 lbs / 142 kg
Dry Weight115 kg / 254 lbs

Features

  • Inverted front forks with forged lower triple
  • 320mm fully floating front disc brake
  • Four-piston radial mount calliper
  • Radial master cylinder
  • Braided stainless-steel brake hoses
  • Oval-section, racing silencer
  • Catalytic converter for Euro 2 emissions compliance
  • Cast-alloy wheels
  • Bright blue anodised rims
  • Analog/digital instrument panel
  • Multi-function display with speedometer and coolant temperature gauge
  • Lap timer function
  • Provisional trackside optical telemetry
  • Cast aluminium alloy frame with cross-ribbing reinforcement
  • Asymmetrical box-section, aluminium alloy swing-arm
  • Rotax two-stroke engine in 11 kW or full power versions
  • Aluminium frame and swingarm derived from GP experience
Aprilia RS 125 Nero (2006)

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