Two or four-cylinder?

Hello to everyone, I have in about 2 Where – so the examiner wants – A unlimited and look around. I know about what I want. No cruiser, but a real motorcycle, but also not a hammer part. I thought about an allrounder or street bike or whatever you want to call the things with about 90 HP. I try to make a pre-selection, so that I don’t have to deal with test drives for weeks. My questions here is, how does the Driving the difference between two and four cylinders noticeable ? With the car is so that more pots with the same displacement mean more quietness and less flow. Can you transfer this so and are there any other features ? Greeting