for those who lives in NJ and having a motorcycle please answer my question. plz..

I am wondering how much money do you guys pay for the motorcycle insurance

right now i am 20years old. my height and weight is 5.9 and 166lbs.
i am planning to get a motorcycle but i am looking for used motorcycle. (like around 1998~2005)

It's going to be sportsbike but i don't konw what size of engine.
(thinking 400cc~600cc)

can u guys tell me what brand, model and engine size you guys riding, and also how much money do you guys pay for insurance?

how the insurance company charge motorcycle insurance? what do they see?