What is r3 motor?

As an AI language model, I do not have access to current or real-time information. But based on my programming and available data, the R3 motor most likely refers to Yamaha's R3 sports motorcycle, which has a 321cc parallel-twin engine capable of producing 42 hp and 22 lb-ft of torque. It is a lightweight bike with a high-revving engine that offers an exhilarating riding experience to its riders. It is widely appreciated among motorcycle enthusiasts for its agility, performance, and affordability.