Yamaha XSR900 2018 vs. Ducati Streetfighter V4 S 2021

The Yamaha XSR900 2018 and the Ducati Streetfighter V4 S 2021 are both naked bikes with powerful engines and advanced features. However, there are several notable differences between the two models.

In terms of engine performance, the Yamaha XSR900 2018 is equipped with an inline three-cylinder engine that delivers 115 horsepower and 87.5 Nm of torque. On the other hand, the Ducati Streetfighter V4 S 2021 boasts a V4 engine that produces a staggering 208 horsepower and 123 Nm of torque. This makes the Ducati significantly more powerful and capable of delivering thrilling acceleration.

Both bikes feature liquid cooling systems to ensure optimal engine temperature. The Yamaha XSR900 2018 has a displacement of 847cc, while the Ducati Streetfighter V4 S 2021 has a larger displacement of 1103cc. This larger displacement contributes to the Ducati's higher power output.

In terms of suspension, both bikes are equipped with upside-down telescopic forks at the front. However, the Yamaha XSR900 2018 has a swing arm suspension at the rear, while the Ducati Streetfighter V4 S 2021 features a single swing arm. Both bikes have monoshock absorbers to provide a smooth and controlled ride.

Yamaha XSR900 2018

In terms of chassis, both bikes have aluminum frames, but the Yamaha XSR900 2018 features a twin tube frame, while the Ducati Streetfighter V4 S 2021 has a monocoque frame. The monocoque frame design provides superior rigidity and contributes to the Ducati's excellent handling capabilities.

Both bikes are equipped with double disc brakes at the front, but the Ducati Streetfighter V4 S 2021 has larger 330mm diameter discs compared to the 298mm discs on the Yamaha XSR900 2018. Additionally, the Ducati is equipped with Brembo Stylema brakes, which are known for their exceptional stopping power.

In terms of advanced rider assistance systems, both bikes feature ABS. However, the Ducati Streetfighter V4 S 2021 offers a more comprehensive package with additional features such as riding modes, dynamic suspension, cornering ABS, launch control, ride by wire, quickshifter, traction control, and anti-wheelie. These features enhance the Ducati's performance and safety capabilities.

Ducati Streetfighter V4 S 2021

In terms of dimensions and weights, the Yamaha XSR900 2018 has a wheelbase of 1440mm and a seat height of 815mm. It weighs 191kg (with ABS) and has a fuel tank capacity of 14 liters. On the other hand, the Ducati Streetfighter V4 S 2021 has a slightly longer wheelbase of 1488mm and a higher seat height of 845mm. It weighs 199kg (with ABS) and has a larger fuel tank capacity of 16 liters.

In terms of strengths, the Yamaha XSR900 2018 is praised for its extremely sporty engine, excellent brakes, pleasant seating position, high-quality workmanship, and competitive price-performance ratio. On the other hand, the Ducati Streetfighter V4 S 2021 is commended for being the most powerful naked bike ever, offering good ergonomics, superb electronically adjustable Öhlins suspension, brute Brembo Stylema brakes, a full electronics package, and a handsome and distinctive look.

However, there are also weaknesses associated with each model. The Yamaha XSR900 2018 is criticized for its almost too direct response and a retro style that may not be thought through to the last detail. On the other hand, the Ducati Streetfighter V4 S 2021 is seen as very expensive, has a loud exhaust sound, and its full power is only accessible in the upper rev range.

In summary, while both the Yamaha XSR900 2018 and the Ducati Streetfighter V4 S 2021 are powerful naked bikes, the Ducati offers significantly higher performance, a more advanced electronics package, and a more aggressive design. However, it comes at a higher price point and may have a more demanding riding experience. The Yamaha, on the other hand, provides a sporty and enjoyable riding experience at a more affordable price.