How does the Honda SP160 Double Disc's engine refinement compare to its rivals?

Honda has a reputation for producing smooth, refined engines, and this is often a key selling point for their motorcycles. This question aims to explore how the SP160 Double Disc's engine performance and refinement stack up against its competitors in the 160cc segment. The discussion could cover aspects like vibration levels at different speeds, engine noise, power delivery characteristics, and overall riding comfort. It might also delve into how the engine feels during different riding scenarios, such as city traffic, highway cruising, and spirited riding on twisty roads. Additionally, the question could spark debate about whether Honda's engine refinement justifies any trade-offs in outright performance or features compared to rival bikes from manufacturers like TVS, Bajaj, or Yamaha.