Rear sprocket is also incorrect. Should be 15/45.
I dig it. Bring it back!...but finish the 750 first
As a big Kawi fan, and having owned a 78 kz400... I would pass. Nothing particularly bad to say about them other than they are boring. not enough power, "good enough" handling, could barely keep up on the freeway. I am a big dude (240lbs) so YMMV. I remember taking that kz400 out for its first ride after spending a bunch of time completely going through it that winter and sadly realizing I would sell that bike immediately. glad I did, thats a nap on wheels. I would focus on your 750 if you want a kawi twin. just my $0.02