I too find the K1300GT a struggle to put on the main stand, although I am 6'1 and some 14 stones. It is probably not helped by me having literally "thrown" a previous K series on the ground in France a few years ago, when my foot slipped from the treaded part of the stand as I lifted the bike up!
This was, I found caused by diesel on my boot, from a fuel forecourt.
Since then (and before buying the K1300) I've owned a Kawasaki 1400GTR (some 20kg heavier) and Kawasaki Versys 1000 (lighter but taller) and I was happy to let my daughter (5'8 and lightweight) put either of them on the stand, however with the K1300, I have to prepare even myself for the task.