Yamaha Motor India has launched the second generation FZ and FZ-S models. The appearance of the bikes may not have changed drastically, mounted on their lightweight body is a new, fuel injected 149cc single cylinder air cooled engine. Following the launch of the FZ Series in 2008, the second generation machines have been developed with Yamaha’s New Generation Engine Development Ideal – Blue Core. Blue Core features improved performance in all areas, including fuel efficiency, acceleration and environmental friendliness. The key features thus include new engine offering class-leading acceleration with 14 per cent improvement in fuel economy and compliant with BS IV emission standards. Yamaha hopes to see a steep growth in the customer base, especially keeping in mind the mileage conscious target audience.