You just did.
And what's stupid? A v8 motorcycle? Yes, but they do exist if that's what you're getting at.
I was just curious because that was your third post with literally no reply.
And yes, v8 motorcycles exist, but if I'm getting at this correctly you think a V8 automatically = fast
BMW S1000RR with an inline-4 smoked a veyron supersport in a drag
Edit: No I didn't say the veyron was a V8, that was just an example to show the power of an inline-4 bike