Question: In 2006, for emissions reasons, India Yamaha Motor replaced its RX 100 two-stroke motorcycle with the Yamaha Crux. What type of engine does the Crux have?
Sentence (from "Yamaha Crux"): It was launched in 2004 replacing RX 100, as 2-Stroke engines were not able to meet government's emission norms.
Relevant evidence: Yes