Naked Motorcycles
2021Aprilia Tuono 660
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The 2021 Aprilia Tuono 660 is a middleweight naked sport bike designed for accessible performance and everyday rideability. Its 95 hp parallel-twin engine delivers nimble handling and manageable power for riders progressing from smaller bikes or seeking a practical alternative to heavier sportbikes. Best known for sharp styling and modern electronics including ride-by-wire throttle control, it balances aggressive character with approachable usability.
- Capacity
- 659.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 169.0 kg
- Seat height
- 820 mm
- Power
- 95.0 HP (69.3 kW) @ 10500 RPM
What’s new for the 2021 Aprilia Tuono 660
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Front brakes | Double disc. Brembo four-piston | Double disc. Brembo four-piston. ABS. |
| Rear brakes | Single disc. Brembo | Single disc. Brembo. ABS. |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for spirited backroad blasts, weekend canyon carving, and occasional trackday fun rather than long-distance cruising.
- Built for
- A punchy, high-revving parallel twin with sharp electronics and a light chassis gives it a playful, precise, and eager personality.
- Not ideal for
- Not ideal for riders seeking plush long-haul touring comfort, heavy luggage capacity, or off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usRange and running costs
Worked out in your browser - nothing is sent to usBased on the published US (EPA-style) fuel economy estimate and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 659.0 ccm
- Power
- 95.0 HP (69.3 kW) @ 10500 RPM
- CO2 Emissions
- 106 CO2 g/km
- EPA Certificate No.
- MPVMC0.65KSU-011-R01
- EPA Est. Fuel Consumption
- 4.51 L/100km (52.2 US mpg)
- EPA CO Emissions
- 0.6 CO g/km
- Torque
- 67.0 Nm (6.8 kgf-m) @ 8500 RPM
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.5621 HP/kg (dry)
- Bore x stroke
- 81.0 x 63.9 mm
- Compression
- 13.5:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Aspiration
- Naturally aspirated
- Valves per cylinder
- 4
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiplate wet clutch with slipper system
Performance
- 0-60 mph
- 3.80 seconds
- 0-100 km/h (0-62 mph)
- 4.10 seconds
Dimensions & weight
- Wheelbase
- 1370 mm
- Overall length
- 1995 mm
- Overall width
- 805 mm
- Seat height
- 820 mm
- Dry weight
- 169.0 kg
- Wet weight
- 183.0 kg
- Fuel capacity
- 15.00 litres
Chassis & suspension
- Frame
- Aluminium dual beam with removable tail section
- Front suspension
- KYB inverted fork.
- Rear suspension
- Swingarm
- Front wheel travel
- 110 mm
- Rear wheel travel
- 130 mm
- Rake (fork angle)
- 24.1°
- Trail
- 105 mm
Brakes & wheels
- Front brakes
- Double disc. Brembo four-piston. ABS.
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc. Brembo. ABS.
- ABS
- Yes
- Front tyre
- 120/70-17
- Rear tyre
- 180/60-17
Other
- Color options
- Concept Black/Acid Gold/Iridium Gray
- Comments
- Five riding modes.
- Fuel Tank Material
- Plastic
Specs last verified against published sources: .
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2020 | 2021 | 2022 | 2023 | 2025 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 659 cc | 659 cc | 659 cc | 659 cc | 659 cc | 659 cc |
| Dry weight | 169 kg | 169 kg | 169 kg | 169 kg | 169 kg | 169 kg |
| Seat height | 820 mm | 820 mm | 820 mm | 820 mm | 820 mm | 820 mm |
| Fuel capacity | 15 L | 15 L | 15 L | 15 L | 15 L | 15 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Safety Recalls
⚠ 1 recall may applyENGINEJul 2021 · 21V502000
Aprilia is recalling certain 2021 RS 660 and Tuono 660 motorcycles. The engine crankshaft connecting rod may break due to improper heat-treatment.
Risk: A broken connecting rod can cause a sudden engine stall, increasing the risk of a crash.
Remedy: Dealers will replace the engine, free of charge. Owner notification letters were mailed on July 9, 2021. Owners may contact Aprilia customer service at 1-212-380-4400. Aprilia's number for this recall is PA2ZZQ2107.
These recalls cover some 2021 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.
Source: NHTSA. View all Aprilia recalls →
Rider Reviews
Common questions
What is the engine size of the Aprilia Tuono 660?
The 2021 Aprilia Tuono 660 has a Capacity of 659.0 ccm (40.21 cubic inches).
What engine power does the Aprilia Tuono 660 have?
The 2021 Aprilia Tuono 660 has a Power of 95.0 HP (69.3 kW) @ 10500 RPM.
How many gears does the Aprilia Tuono 660 have?
The 2021 Aprilia Tuono 660 has a Gearbox of 6-speed.
What is the torque of the Aprilia Tuono 660?
The 2021 Aprilia Tuono 660 has a Torque of 67.0 Nm (6.8 kgf-m or 49.4 ft.lbs) @ 8500 RPM.
How much does the Aprilia Tuono 660 weigh?
The 2021 Aprilia Tuono 660 has a Dry weight of 169.0 kg (372.6 pounds).
Shop this bike
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The 2021 Aprilia Tuono 660 is a powerful and sleek motorcycle that delivers a thrilling riding experience. With a 660cc parallel-twin engine, this bike offers impressive power and torque for a dynamic performance on both city streets and open highways. The Tuono 660 also features a lightweight chassis and advanced electronics, including multiple riding modes and a comprehensive suite of safety features. Its aggressive styling and comfortable riding position make it a top choice for riders looking for a high-performance middleweight naked bike.
Overall, the 2021 Aprilia Tuono 660 is a standout motorcycle in its class, offering a perfect balance of power, agility, and technology. Whether you're a seasoned rider or new to the sport, the Tuono 660 provides an exhilarating ride that will leave a lasting impression. From its impressive engine performance to its cutting-edge electronics, this bike is sure to impress anyone in the market for a high-quality naked motorcycle. With its combination of style, power, and handling, the Tuono 660 is a top contender in the middleweight naked bike segment.
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