[DUC N RUN]

I have an 01 Monster 750 with the stock 3 star 4.5 rear wheel. Just wondering what I will need (other than the wheel,and tire) to up size to a 5.5 rear wheel. I'm guessing I will need a 5.5 wheel from a M900 , but what year? What all is involved in the mod?
Thanks
DUC N RUN