* Yamaha YZF-R6: 155 mph (250 km/h)
* Kawasaki Ninja ZX-6R: 156 mph (251 km/h)
0-60 mph (0-97 km/h) Acceleration:
* Yamaha YZF-R6: 2.9 seconds
* Kawasaki Ninja ZX-6R: 2.8 seconds
1/4 Mile (402 m) Time:
* Yamaha YZF-R6: 10.5 seconds at 133 mph (214 km/h)
* Kawasaki Ninja ZX-6R: 10.4 seconds at 137 mph (220 km/h)
As you can see, the Kawasaki Ninja ZX-6R is slightly faster than the Yamaha YZF-R6 in terms of top speed, 0-60 mph acceleration, and 1/4 mile time. However, it's important to note that these differences are small and may not be significant for most riders. Ultimately, the best way to decide which bike is right for you is to test ride both of them and see which one you prefer.