Main points
- With a curb weight of 165 kg, the RC 390 has a better power-to-weight ratio, enabling it to accelerate quicker and reach higher speeds.
- Its aerodynamic design, lower weight, taller gear ratios, and superior suspension and braking capabilities give it the edge over the Duke 390 in terms of top speed.
- For those seeking the ultimate adrenaline rush and the thrill of pushing their limits, the KTM RC 390 stands as the undisputed king of speed.
When it comes to adrenaline-pumping motorcycles, KTM’s RC 390 and Duke 390 stand as formidable contenders. Both machines boast exceptional performance capabilities, but which one reigns supreme in terms of top speed? This comprehensive analysis will delve into the intricacies of these two speedsters, uncovering their strengths, weaknesses, and the ultimate answer to the question: KTM RC 390 vs Duke 390, who has the edge in top speed?
Powertrain and Engine Characteristics
At the heart of these machines lies the potent 373cc single-cylinder engine that delivers an impressive 44 horsepower and 35 Nm of torque. While both models share the same engine, the RC 390’s aerodynamic fairing and tucked-in riding position give it a slight advantage in top speed.
Aerodynamics and Drag Reduction
The RC 390’s sleek fairing and aggressive stance significantly reduce drag, allowing it to slice through the air with greater ease. This aerodynamic advantage translates into a higher top speed compared to the more upright and exposed riding position of the Duke 390.
Weight and Power-to-Weight Ratio
The RC 390 also benefits from a slightly lower weight than the Duke 390. With a curb weight of 165 kg, the RC 390 has a better power-to-weight ratio, enabling it to accelerate quicker and reach higher speeds.
Gearbox and Transmission
Both the RC 390 and Duke 390 are equipped with a slick 6-speed gearbox. However, the RC 390’s gear ratios are slightly taller, allowing it to maintain higher speeds at lower RPMs. This feature contributes to its superior top speed performance.
Suspension and Handling
When it comes to handling, the RC 390’s racetrack-inspired geometry and WP suspension provide exceptional stability at high speeds. Its stiffer suspension setup and lower center of gravity allow it to corner with precision and maintain its composure even at the limits of its capabilities.
Braking Performance
Both the RC 390 and Duke 390 feature powerful ByBre brakes with ABS. However, the RC 390’s radial calipers and larger brake discs provide superior stopping power, which is crucial for maintaining control at high speeds.
The Bottom Line: The Ultimate Speed King
After analyzing the key factors that influence top speed, it’s clear that the KTM RC 390 emerges as the victor in this high-stakes competition. Its aerodynamic design, lower weight, taller gear ratios, and superior suspension and braking capabilities give it the edge over the Duke 390 in terms of top speed. For those seeking the ultimate adrenaline rush and the thrill of pushing their limits, the KTM RC 390 stands as the undisputed king of speed.
Common Questions and Answers
1. What is the top speed of the KTM RC 390?
The KTM RC 390 has a top speed of approximately 185 km/h (115 mph).
2. What is the top speed of the KTM Duke 390?
The KTM Duke 390 has a top speed of approximately 175 km/h (109 mph).
3. Which motorcycle is faster, the RC 390 or the Duke 390?
The KTM RC 390 is faster than the Duke 390 due to its aerodynamic design, lower weight, and taller gear ratios.
4. What is the power-to-weight ratio of the RC 390?
The RC 390 has a power-to-weight ratio of 0.26 kW/kg.
5. What is the curb weight of the RC 390?
The RC 390 has a curb weight of 165 kg (364 lbs).
