Yamaha has shaken things up in the 150cc performance segment with two bikes: the YZF-R15 Version 3.0 and the MT-15. While the former is a track-friendly supersport, the latter is a more practical streetfighter. Both the bikes share the same engine and underpinnings but Yamaha has made a few changes to differentiate the bike’s riding dynamics. We’ve tested both the motorcycles in the real world and here’s how they fare: