KTM 790 Duke 2023 vs. Aprilia Tuono 660 Factory 2023

The KTM 790 Duke 2023 and the Aprilia Tuono 660 Factory 2023 are both naked bikes with similar engine specifications. The KTM 790 Duke has an in-line engine with a power output of 95 HP and a torque of 87 Nm. On the other hand, the Aprilia Tuono 660 Factory also has an in-line engine but with a slightly higher power output of 100 HP and a torque of 67 Nm. Both bikes have fuel injection systems, liquid cooling, and 2 cylinders.

In terms of suspension, the KTM 790 Duke is equipped with an upside-down telescopic fork from WP at the front and a swing arm with a monoshock and preload adjustment at the rear. The Aprilia Tuono 660 Factory also features an upside-down telescopic fork at the front, but from Kayaba, and a swing arm with a monoshock that offers adjustment options for compression, preload, and rebound. Both bikes have aluminum rear suspensions.

When it comes to the chassis, the KTM 790 Duke has a chromium-molybdenum frame that is tubular in design. On the other hand, the Aprilia Tuono 660 Factory features an aluminum frame that is load-bearing for the engine.

KTM 790 Duke 2023

In terms of braking, both bikes have double disk brakes at the front with a diameter of 300 mm for the KTM 790 Duke and 320 mm for the Aprilia Tuono 660 Factory. Both bikes have four-piston calipers and radial technology for improved braking performance.

Both bikes are equipped with advanced rider assistance systems such as ABS, riding modes, ride by wire, and traction control. The Aprilia Tuono 660 Factory also includes additional features like launch control, a quickshifter, and anti-wheelie control.

In terms of dimensions and weights, both bikes have the same front and rear tire widths and diameters. The KTM 790 Duke has a slightly longer wheelbase of 1475 mm compared to the 1370 mm of the Aprilia Tuono 660 Factory. The seat height of the KTM 790 Duke is 825 mm while the Aprilia Tuono 660 Factory has a slightly lower seat height of 820 mm. Both bikes have a dry weight of 169 kg.

In terms of fuel capacity and consumption, the Aprilia Tuono 660 Factory has a slightly larger fuel tank capacity of 15 liters compared to the 14 liters of the KTM 790 Duke. The range of both bikes is similar, with the Aprilia offering a range of 306 km and the KTM offering a range of 304 km. The combined fuel consumption of the Aprilia Tuono 660 Factory is slightly higher at 4.9 l/100km compared to the 4.6 l/100km of the KTM 790 Duke.

Aprilia Tuono 660 Factory 2023

In terms of equipment, both bikes come with modern features such as LED headlights, TFT displays, and connectivity options. The Aprilia Tuono 660 Factory offers additional features like Bluetooth, cornering lights, LED daytime running lights, and a wider naked bike handlebar.

In terms of strengths, the KTM 790 Duke is praised for its strong engine, high-quality electronics, good ergonomics for tall riders, and taut chassis for sporty riding. The Aprilia Tuono 660 Factory is praised for its adjustable chassis, sporty seating position, high-quality electronics, stable handling, and good feel for the front wheel.

However, both bikes also have some weaknesses. The KTM 790 Duke has non-adjustable suspension, mediocre brakes, and a relatively high price compared to other bikes in its class. The Aprilia Tuono 660 Factory is criticized for its comparatively high price, the requirement of a rather sporty riding style, and reports of brake rubbing during testing.