NO. It just will not fit. the YZF750 motor is the same size as the FZR1000 motor. What you would have to do to get it in there would destroy the frame too much to be useable.
Yes, that is a Single Sided Swingarm FZR600 that I built.
Something is lurking, waiting, wanting to be built......It calls to me from the darkness....
I can finally see the light at the end of the tunnel....Then I realize that it is the train coming to run my ass over....