Aprilia RS4 125 GP Replica (2018)

Aprilia RS4 125 GP Replica (2018)

The Aprilia RS4 125 GP Replica is a testament to the Italian manufacturer’s rich sporting heritage, boasting a profound revamp to celebrate its quarter-century success in the world of motorsport.

As a benchmark for sport bikes designed specifically for younger riders, this incredible machine packs an unbeatable combination of style and substance. With its sleek fairing, lightweight aluminum frame, and generous engine, it embodies the essence of a true Superbike.

The beating heart of this magnificent motorcycle is a cutting-edge 125cc single-cylinder, four-stroke, four-valve electronic injection engine with liquid cooling. This marvel of modern engineering boasts DOHC timing, ensuring exceptional reliability on the road and electrifying power on the track. The result is an exhilarating riding experience that’s both responsive at low revs and thrillingly agile.

This Euro 4-approved powerhouse is installation-ready for Aprilia’s innovative Quick Shift system, allowing riders to shift gears seamlessly without clutching in – a feature previously reserved for top-tier racing machines.

Key Specifications

Engine TypeFour stroke,single cylinder, DOHC, 4 valves
Engine Capacity124.8 cc / 7.6 cu in
Max Power11.7 kw / 16 hp
Max Torque11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm
Fuel Tank Capacity3.8 US gallons / 14.5 L
Seat Height32.3 inches / 820 mm
Aprilia RS4 125 GP Replica (2018)

All Specifications

Make & Model

ModelAprilia RS4 125 GP Replica
Year2018

Engine

Engine TypeFour stroke,single cylinder, DOHC, 4 valves
Displacement124.8 cc / 7.6 cu in
Bore x Stroke58 X 47 mm
Compression Ratio12.5 0.5:1
Max Horsepower11.7 kw / 16 hp
Max Torque11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm
Engine Management SystemMagneti Marelli M3G ø 32mm ECU
Lubrication SystemWet sump
Cooling SystemLiquid cooled

Performance

Top Speedn/a

Transmission

ClutchMultiple discs, in oil bath
Gearbox6 Speed
Gear Ratios1st 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)
Final DriveChain: 60/13 (4.61)

Electrical & Electronics System

StarterElectric
ABSBOSCH Single channel

Chassis & Suspension

Frame TypeAluminum perimeter frame
Front Suspension41 mm Upside down fork
Front Suspension Travel4.3 inches / 110 mm
Rear SuspensionAsymmetric swingarm with monoshock
Rear Suspension Travel5.1 inches / 130 mm

Wheels & Brakes

Wheelslight alloy with 6 split spokes, with sealing profile for tubeless tyres.
Front Tire Size110/80 17
Rear Tire Size130/70 17
Front BrakesSingle 300 mm disc, 4 piston caliper
Rear BrakesSingle 218 mm disc, 1 piston caliper
ABSBOSCH Single channel

Dimension & Weights

Overall Length1953 mm / 76.8 in
Overall Width760 mm / 29.9 in
Overall Height1135 mm / 44.6 in
Seat Height32.3 inches / 820 mm
Wheelbase53.2 inches / 1353 mm
Fuel Tank Capacity3.8 US gallons / 14.5 L
Dry Weight122 kg / 269 lbs

Features

  • Modern and technological 125 cc single-cylinder, 4-Stroke, 4-Valve electronic injection engine with liquid cooling
  • Double overhead camshaft timing (DOHC)
  • Reliability on the road and power on the track
  • Optimally calibrated power for responsiveness at low revs
  • Balancing countershaft to reduce vibrations
  • Euro 4 approved for environmentally-friendly performance
  • Installation-ready for Quick Shift gear shifting system
  • Electronic system manages torque interruption for seamless upshifts
  • Racing-inspired exhaust integrated into the lower part of the fairing
  • Centralisation of masses for dynamic performance improvement
  • Ergonomics designed for track riding with semi-handlebars and set-back footpegs
  • True super sport riding position without compromise
  • Solid upside-down fork for top-level safety and comfort
  • Rear suspension with racing-derived monoshock secured to asymmetrical swingarm
  • Split 6-spoke design wheels for light weight and speed in corners
  • Four-piston radial calliper front brake with Bosch single-channel ABS
Aprilia RS4 125 GP Replica (2018)

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