I will go back and read this later. I am 5'8" Inseam is 30. I put struts on my bike and am fabricating a seat and It's the most comfortable thing ever. Mines a 77 cb750. Maybe a little big for her, maybe a little too much maintenance for you. If I were to get something else that I could get right on and ride, it would be a 350 or a blast. They are in fact, a blast.
And p.s naysay-ers, there's always exceptions to women riders. Make them put their own money into it, they won't take it for granted.