Motorcycle purchase help

Hello, I have a bit more general farge here is not quite right but in the end you have enough experience to answer me the question. So I want to buy a new cart, but after my decision to get a ZXR 7er came to me some doubt alone already, because the about 230kg weighs and I’m not the biggest and heaviest right now ( 170cm, 64kg). I thought that I can’t deal with the cart so well, because I’m so small and well not the strongest I know when the car is driving it is no problem but what is when pushing, making a small radius (turn with step speed etc. ) So the question is I shouldn’t rather buy a smaller car talking with less displacement ? Thought of a GSXR 600 or so but I also don’t have so much idea about moto bikes, can you tell me which is the best for one of the nciht is so big . Can you give me some basic tips so from Honda,Kawas to Suzuki which Kar would you recommend me? Thanks in advance for eúre help.