2009 Yamaha R1 slower than 2007 model

Independent, same-dyno tests conducted by England’s Performance Bikes magazine have shown that the 2009 Yamaha R1 makes less power and torque than the 2007 model both outright and in the midrange. The new bike also weighs 4kg (9lbs) more. Progress?
>

All articles remain open for 12 hours from their time of publishing. The full version of this article, additional photos and comments are available to subscribers. Click here to subscribe, it’s quick and easy. Already a subscriber? Click here to log in.