1. is small enough for her to touch the ground flat footed both sides
2. Does not look "old"
3. That she likes the look of
4. Should go quick enough for her.
So today we nipped up to Bradford Motorcycles and ordered one of these:
Kwak 250r

Should be here in 3-4 weeks.
She is chuffed to bits and says thanks to all who made suggestions on a first bike in the "bike for a short butt thread"