Buy your kid a bike that does 178MPH and the 1/4 under 10 seconds then keep him alive by insisting he wear a helmet. Has anybody thought about inertia. Imagine your liver going from 100 to 0 right now!!. The helmet allows the family to have an open casket.
Owning a sport bike is voluntarily joining the ranks of organ donor if you ride it the way it is designed to be ridden. Its a matter of when, not if.
There above, is the number 2 killer on bikes. High Speed.
The number 1 killer is alcohol or at least used to be.