Key performance

100 ch
Power
🔧
659 cc
Displacement
⚖️
183 kg
Weight
🏎️
235 km/h
Top speed
💺
820 mm
Seat height
15.0 L
Fuel capacity
💰
10 990 €
New price
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Technical specifications

Engine

Displacement
659 cc
Power
100.0 ch @ 10500 tr/min (73.0 kW)
Torque
67.0 Nm @ 8500 tr/min
Engine type
Twin, four-stroke
Cooling
Liquid
Compression ratio
13.5 : 1
Bore × stroke
81.0 x 63.9 mm (3.2 x 2.5 inches)
Valves/cylinder
4
Camshafts
2 ACT
Fuel system
Injection. Airbox with front dynamic air intakes, two Ø48-mm throttle bodies
Valve timing
Double Overhead Cams/Twin Cam (DOHC)
Starter
Electric

Chassis

Frame
Aluminium dual beam chassis with removable seat support subframe
Gearbox
6-speed
Final drive
Chain   (final drive)
Clutch
Multi-plate wet clutch with mechanical slip system
Front suspension
Kayaba 41-mm stanchion fork, aluminium radial calliper mounting bracket. Adjustable spring preload and rebound damping.
Rear suspension
Aluminium asymmetric swingarm. Adjustable monoshock in spring reload, rebound braking
Front wheel travel
120 mm (4.7 inches)
Rear wheel travel
130 mm (5.1 inches)

Brakes

Front brakes
Double disc. ABS. Brembo
Rear brakes
Single disc. ABS. Brembo.
Front tyre
120/70-ZR17
Front tyre pressure
2.50 bar
Rear tyre
180/55-ZR17
Rear tyre pressure
2.80 bar

Dimensions

Seat height
820.00 mm
Wheelbase
1370.00 mm
Fuel capacity
15.00 L
Weight
183.00 kg
Dry weight
169.00 kg
New price
10 990 €

Overview

When a sportbike weighs 169 kilograms dry and delivers 100 horsepower for less than 11,000 euros, you start to wonder if Noale has found the formula that no one else was looking for anymore. The Aprilia RS 660 was born from a commercial vacuum that the Italian brand chose to interpret as an opportunity. All the large-displacement sportbikes have become gentrified on the circuit or through exclusive pricing. Mid-displacement sportbikes, for their part, have almost disappeared from catalogs. The result: an entire segment without serious contenders, and Aprilia arriving with a machine designed to fill exactly this gap.

Aprilia RS 660

The silhouette speaks for itself before you even turn the key. This multi-layered fairing, the three-element headlights with eyelash-shaped daytime running lights, the short tail and the asymmetrical aluminum swingarm anchored directly to the crankcases: all of this tells a coherent intention. The Aprilia RS 660 specifications reveal a perimeter aluminum frame utilizing the engine as a structural element, with a contained wheelbase of 1370 mm. The motorcycle is compact, almost feline in its proportions. Where the RSV4 imposes its muscular mass, the RS 660 suggests, lightens, invites. The seat height at 820 mm may discourage shorter riders, but the actual weight under the seat quickly reassures.

The heart of the matter is this 659 cc parallel-twin engine, phased at 270 degrees to mimic the temperament of a V-twin. Bore of 81 mm, stroke of 63.9 mm, compression ratio of 13.5:1. This engine delivers 100 horsepower at 10,500 rpm and 67 Nm at 8,500 rpm. To put it in perspective: a MT-07 and its 689 cc peaks at 75 horsepower. A Ninja 650 doesn’t play in the same sporting category. The Panigale V2 crushes the budget and ease of use. The Aprilia RS 660 horsepower available place the machine in a rare balance between accessibility and bite, and the existence of a restricted version compatible with A2 license further broadens the spectrum of potential buyers. At 4.08 liters per hundred, the 15-liter tank offers correct range for weekend outings.

Aprilia RS 660

The onboard electronics deserve attention, because Aprilia didn't do things halfway. Ride-by-Wire, six-axis inertial unit, traction control, wheelie control, engine braking management, bidirectional quickshifter, cruise control: five riding modes structure the experience, three for the road and two for the circuit. The color TFT screen displays two distinct interfaces depending on the usage. The 41 mm Kayaba fork is adjustable for preload and rebound. Four-piston radial Brembo calipers bite on 320 mm discs, with cornering ABS to manage the lean angle. An Aprilia RS 660 aftermarket exhaust like the Akrapovic, which many owners quickly add to their list of Aprilia RS 660 accessories, further releases the sound of the twin. The announced top speed is 235 km/h, a theoretical ceiling that the half-handlebars placed above the fork headstock will not encourage you to seek on public roads.

Aprilia RS 660

The price positioning at 10,990 euros new places the Aprilia RS 660 price in a strategic zone. Neither low-cost, nor inaccessible premium. The Aprilia RS 660 used market is also active, proof that demand exists and that interest does not diminish over the years. Recurring questions about Aprilia RS 660 reliability and any Aprilia RS 660 problems remain marginal compared to the positive feedback from regular users. It's not a perfect motorcycle: the direct-link rear shock, without progressive linkages, divides the purists, and the high seat can complicate life in urban environments. But it is a road sportbike in the noble sense of the term, designed for riders who want sensations without mutilating their backs over a hundred kilometers. The target jersey is not the Sunday track rider nor the hurried commuter: it is the motorcyclist who seeks a lively, communicative motorcycle, and sufficiently equipped to never tire.

Standard equipment

  • Assistance au freinage : ABS in curves

Practical info

  • Véhicule accessible au permis A2 ou bridable à 47.5ch / 35 Kw
  • La moto est accessible aux permis : A, A2

Indicators & positioning

Weight-to-power ratio
0.55 ch/kg
🔄
Torque / weight
0.37 Nm/kg
🔧
Volumetric power
151.7 ch/L
In category Sport · 330-1318cc displacement (4132 motorcycles compared)
Power 100 ch Top 62%
27 ch median 123 ch 209 ch
Weight 183 kg Lighter than 92%
171 kg median 202 kg 253 kg
P/W ratio 0.55 ch/kg Top 57%
0.19 median 0.61 1.08 ch/kg

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