one way to do it is to suport he bike from the top, with rachet straps or something like that just toss them over a rafter or beem in the shop or gorage, then once everyting is loos you can just push the forks up and but a block under them , get the hight you want and then retorque the pinch bolts, i thing they are set at 16.5 ftbls
sorry you have two pinch bolts on top one per side , and four on the bottom, two per side !
you may have to take some of your plastics off to make the bots easyer to get to!
hope this helps
do you have a manuel for you bike , you should be able to find one on the site if you look and its free download !