Kawasaki Z900 2021 vs. Harley-Davidson Sportster S RH1250S 2021

The Kawasaki Z900 2021 and the Harley-Davidson Sportster S RH1250S 2021 are both naked bikes that offer powerful performance and advanced rider assistance systems. However, there are some notable differences between the two models.

In terms of engine specifications, the Kawasaki Z900 is equipped with an inline four-cylinder engine that produces 125.4 HP and 98.6 Nm of torque. On the other hand, the Harley-Davidson Sportster S RH1250S features a V-twin engine that delivers 122 HP and 125 Nm of torque. Both bikes have fuel injection systems and liquid cooling.

When it comes to suspension, both bikes have upside-down telescopic forks at the front and swing arm suspension at the rear. The Kawasaki Z900 offers adjustments for preload and rebound on both the front and rear suspension, while the Harley-Davidson Sportster S RH1250S provides additional compression adjustment. This allows for more customization and fine-tuning of the suspension settings.

Kawasaki Z900 2021

In terms of braking systems, the Kawasaki Z900 is equipped with double disk brakes at the front with a diameter of 300 mm and four-piston calipers. The Harley-Davidson Sportster S RH1250S, on the other hand, features a single disk brake at the front with a larger diameter of 320 mm and radial monoblock calipers. This setup provides excellent braking performance, especially considering it is a single-disc system.

Both bikes come with advanced rider assistance systems such as ABS, riding modes, ride by wire, and traction control. However, the Harley-Davidson Sportster S RH1250S offers additional features like cornering ABS, cruise control, and lean angle-dependent traction control. These features enhance the safety and performance of the bike, especially in challenging riding conditions.

In terms of dimensions and weights, the Kawasaki Z900 has a wheelbase of 1450 mm and a seat height of 795 mm. It weighs 210 kg (with ABS). On the other hand, the Harley-Davidson Sportster S RH1250S has a slightly longer wheelbase of 1520 mm and a lower seat height of 755 mm. It weighs 228 kg (with ABS).

In terms of equipment, both bikes come with modern features such as LED headlights and TFT displays. However, the Harley-Davidson Sportster S RH1250S offers additional connectivity options with Bluetooth and connectivity features.

Harley-Davidson Sportster S RH1250S 2021

In terms of strengths, the Kawasaki Z900 offers a powerful four-cylinder engine, intuitive handling, good equipment, aggressive looks, and value for money. On the other hand, the Harley-Davidson Sportster S RH1250S boasts a powerful and refined engine, excellent braking performance for a single-disc system, and a full electronics package with advanced features like cornering ABS and lean angle-dependent traction control.

However, both bikes have their weaknesses. The Kawasaki Z900 lacks a quickshifter option and some competitors have more advanced electronic systems with a 6-axis IMU. The Harley-Davidson Sportster S RH1250S has a chassis that is quite hard, and its turn-in behavior may be somewhat unwilling due to the wide front tire.

In conclusion, both the Kawasaki Z900 2021 and the Harley-Davidson Sportster S RH1250S 2021 are powerful naked bikes with advanced features. The choice between the two ultimately depends on individual preferences and priorities, such as riding style, desired features, and budget.