Aprilia RS 125 R Max Biaggi Black (2009)

Aprilia RS 125 R Max Biaggi Black (2009)

The Aprilia RS 125 R Max Biaggi Black is a genuine race replica for young riders, distilled from the technical expertise of Noale-based Aprilia in the one-eighth litre class.

This bike has earned a reputation as a benchmark for 2-stroke sports motorcycles, receiving public and critical acclaim in European markets. It’s still the top choice for riders competing in Sport Production races.

The RS 125 boasts class-beating componentry and mechanicals, including a powerful and reliable single-cylinder two-stroke engine. The bike’s frame and swingarm are derived from Moto GP experience, making it a concentrated package of sophisticated technology.

The RS 125 is not just a motorcycle – it’s an extension of the rider, providing a thrilling riding experience that combines performance and reliability on both the track and the road.

With its unique features such as an analogue/digital instrument panel, forged steering yoke, and oval racing silencer, this bike offers an unparalleled level of sophistication and handling.

Key Specifications

Engine TypeSingle cylinder, two stroke, reed valves induction, aluminium cylinder with Nikasil coated liner
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 R Max Biaggi Black (2009)

All Specifications

Make & Model

ModelAprilia RS 125 R Max Biaggi Black
Year2009

Engine

Engine TypeSingle cylinder, two stroke, reed valves induction, aluminium cylinder with Nikasil coated liner
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 Weight127 kg / 280 lbs

Features

  • Rotax two-stroke engine
  • Super-rigid aluminium frame derived from Aprilia’s GP experience
  • Upside-down fork
  • Radial caliper with four opposed pistons for front brake
  • RSV 1000 R style fairing, windshield, and tail
  • RSV Factory style, crossed spoke wheels
  • Analog/digital instrument panel with multifunctional computer
  • Forged steering yoke
  • Oval section racing silencer with riveted end plates
  • Twin halogen headlight for enhanced visibility and safety at night
  • Windshield for improved aerodynamics and wind protection
  • Tail design inspired by GP racing machines
  • Compact, ultra-lightweight motorcycle
  • Single cylinder two-stroke engine
  • Four horizontally opposed pistons in the front brake caliper
Aprilia RS 125 R Max Biaggi Black (2009)

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