Comparing the Yamaha RX 100, RX 135, and KTM Duke is challenging because they are from different eras and have different design philosophies. It was manufactured in the 1980s and early 1990s. In terms of power, the RX 100 had a 98cc two-stroke engine that produced around 11 horsepower. It was not particularly powerful by today's standards but had good acceleration due to its lightweight design. The RX 100 is beloved for its simplicity, reliability, and charm.
Yamaha RX 135: The Yamaha RX 135 is another two-stroke motorcycle from Yamaha's RX series. It was produced in the 1990s and early 2000s. The RX 135 had a larger engine displacement of 132cc and generated around 14-16 horsepower. It offered improved performance compared to the RX 100, with better acceleration and a higher top speed. Like the RX 100, the RX 135 is cherished by enthusiasts for its two-stroke engine character and agile handling.
KTM Duke: The KTM Duke series represents modern, performance-oriented motorcycles. Models like the KTM Duke 125, Duke 200, Duke 250, and Duke 390 offer higher power outputs and advanced features. The power output varies depending on the specific model, but they generally range from 15 to 44 horsepower. KTM Dukes are designed for sporty street riding, offering aggressive styling, lightweight construction, and dynamic performance. They have advanced technologies, such as fuel injection, advanced suspension systems, and advanced braking systems.
In terms of power and modern features, the KTM Duke series would offer the most performance and technological advancements compared to the Yamaha RX 100 and RX 135. However, the Yamaha RX series carries a strong legacy, classic styling, and a distinct two-stroke engine experience that has earned them a devoted following.
Ultimately, the choice between these motorcycles depends on your preferences, riding style, intended use, and the availability of spare parts and service in your area. If you prioritize modern features, performance, and a brand-new motorcycle, the KTM Duke series would be a suitable choice. However, if you value nostalgia, classic design, and a unique two-stroke experience, the Yamaha RX 100 or RX 135 may be more appealing.