The fuel tank shape is reminiscent of the R1, while the tail section (which is a new design for the R9) looks inspired by the R6. Yamaha goes on to say the R9 is the most aerodynamic model it’s ...

The tail is just like you’d expect on a sports bike: sharp and minimalistic. The result is a side profile identical to the last-generation YZF-R6. We even ... for the YZF-R1 in 2021.