Aprilia’s new RS 125 and Tuono 125 for 2021

Aprilia has unveiled updates to its entry-level 1/8 liter motorcycles. The small motorcycles offer a special style as well as some sportiness. The models were designed as everyday motorcycles that can be really fun to ride.


Optics and equipment

Visually, the Aprilia RS 125 and Tuono 125 are adapted to the new face of the Aprilia family. The reference to the RS 660 or Tuono 660 is undeniable.

LED technology is used for the lighting. The new digital display can be used either with white or light blue backlighting. The smartphone can be connected via Bluetooth. So that the mobile phone doesn’t run out of power on the road, there is a storage space with a charging port under the seat. Theoretically, it even offers space for an 8-inch tablet.


Revised engine

The two 125s are powered by a liquid-cooled four-stroke single-cylinder that produces 11 kW or 14.75 PS at 10,000 rpm. The maximum torque of 11.2 Nm is available at 8,000 rpm. The engine power is transmitted to the rear wheel via a six-speed gearbox.

Changes were made to the combustion chamber, intake and exhaust ports, valves and throttle body. The exhaust system would also be revised, or actually swapped for a brand new system. Together with the new catalytic converter, this should work much more efficiently.


Suspension and brakes

At the front, you’ll find a 40mm diameter upside-down fork. The asymmetrical swingarm is damped via a single strut setup.

Braking is at the front with a four-piston radial caliper, which is allowed to bite into a 300mm brake disc. At the rear wheel, the brake disc has a diameter of 218mm. The dual-channel ABS comes from Bosch. Braided steel brake lines are also fitted as standard, ensuring constant brake pressure even when the brakes are used often and heavily.


Special model, colors and availability

The Aprilia RS 125 is offered in black (actually black and red) or Sintesi Blue. In addition, there will be a version that is visually based on the RS-GP machine from MotoGP. The GP version also comes with a quickshifter and cover for the pillion seat.

The Aprilia Tuono 125 for 2021 will be available in Aprilia Black, Lightning White or Arrow Gray.

The two revised models will be at dealerships from May 2021.


APRILIA RS 125 and Tuono 125 – Technical Data Sheet

Engine type

Four-stroke liquid-cooled single-cylinder with electronic injection and 4 valves


DOHC (double over head camshaft)

Bore and stroke

58 x 47 mm

Total engine capacity

124.2 cc

Max Power

11 kW at 10,000 rpm

Maximum torque at crankshaft

11.2 Nm at 8,000 rpm

Compression ratio

12.0 ÷ 12.6 : 1


Magneti Marelli MIUG4 ø 32mm ECU


Electronic with CDI capacity discharge




Wet sump


6 speed:

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)

Primary drive

Straight cut gears, drive ratio: 69/29

Final drive

Chain, drive ratio: 13/58


Multiple discs, in oil bath


Aluminium perimeter frame

Front suspension

40 mm upside down fork, wheel excursion 110 mm

Rear suspension

Asymmetrical swingarm. Single shock.

Wheel travel 120 mm.


Front: 4-piston radial calliper with 300 mm stainless steel disc

Rear: 218 mm stainless steel disc and calliper with single 30 mm piston

Metal-braided connecting hoses.


In light alloy with 6 split spokes.




Front: 100/80 – 17″

Rear: 140/70 – 17″


Max. length 1968 mm

Max. width 760 mm

Wheelbase 1350 mm

Max. height at top fairing 1135 mm

Saddle height 820 mm (Tuono 810 mm)


144 Kg (kerb weight with full fuel tank)

Consumption (WMTC cycle)

2.6 l/100 km

CO2 emissions (WMTC cycle)

60 g/km

Fuel tank capacity

14.5 litres


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