Aprilia Dorsoduro 900 2018 vs. Aprilia RS 660 2021

The Aprilia Dorsoduro 900 2018 is a supermoto bike with a V-twin engine. It has a bore of 92 mm and a stroke of 67.4 mm, resulting in a displacement of 896.1 ccm. The engine produces 95.2 HP of power and 90 Nm of torque, with a compression ratio of 11. It has 2 cylinders with 4 valves per cylinder, and the valves are operated by a DOHC system.

In terms of suspension, the Dorsoduro 900 features an upside-down telescopic fork at the front, branded by Kayaba, with a diameter of 41 mm and a travel of 160 mm. The front suspension can be adjusted for preload and rebound. At the rear, it has a swing arm suspension with a monoshock, offering a travel of 160 mm. The rear suspension can also be adjusted for preload and rebound. The swing arm is made of aluminum.

The frame of the Dorsoduro 900 is made of steel and has a tubular design. The front brakes consist of double disks with a diameter of 320 mm, using radial technology. The bike is equipped with advanced rider assistance systems such as ABS, riding modes, ride by wire, and traction control.

In terms of dimensions and weights, the Dorsoduro 900 has a front tire width of 120 mm and a diameter of 17 inches, while the rear tire has a width of 180 mm and the same diameter. It has a wheelbase of 1505 mm and a seat height of 870 mm. The bike weighs 212 kg (with ABS) and has a fuel tank capacity of 11.5 liters.

Aprilia Dorsoduro 900 2018

On the other hand, the Aprilia RS 660 2021 is a supersport bike with an in-line crankpin offset engine. It has a bore of 81 mm and a stroke of 63.93 mm, resulting in a displacement of 659 ccm. The engine produces 100 HP of power and 67 Nm of torque, with a compression ratio of 13.5. Similar to the Dorsoduro 900, it has 2 cylinders with 4 valves per cylinder, operated by a DOHC system.

The RS 660 features an upside-down telescopic fork at the front, branded by Kayaba, with a diameter of 41 mm and a travel of 120 mm. The front suspension can be adjusted for compression, preload, and rebound. At the rear, it has a swing arm suspension with a monoshock, offering a travel of 130 mm. The rear suspension can be adjusted for preload and rebound, and the swing arm is made of aluminum.

The frame of the RS 660 is made of aluminum and has a load-bearing engine design. The front brakes consist of double disks with a diameter of 320 mm, using radial technology. The bike is equipped with advanced rider assistance systems such as ABS, riding modes, launch control, ride by wire, quickshifter, traction control, and anti-wheelie.

Aprilia RS 660 2021

In terms of dimensions and weights, the RS 660 has the same front and rear tire specifications as the Dorsoduro 900, with a width of 120 mm and a diameter of 17 inches for both. However, it has a shorter wheelbase of 1370 mm and a lower seat height of 820 mm. The bike weighs 183 kg (with ABS) and has a larger fuel tank capacity of 15 liters.

In summary, the Aprilia Dorsoduro 900 2018 excels in its smooth engine performance, good sound, easy handling, extensive assistance systems, and nice looks. However, it could benefit from a bit more power, and it has a high seat and weight.

On the other hand, the Aprilia RS 660 2021 stands out with its powerful engine, extensive electronics package, sporty chassis, nice sound, low weight, and sporty look. Its only notable weakness is the poorly readable rev counter.

Overall, both bikes offer unique features and strengths, catering to different riding preferences. The Dorsoduro 900 is more suited for supermoto enthusiasts looking for a versatile and capable bike, while the RS 660 targets riders seeking a high-performance supersport experience.