Well the clutch and brake levers are easy, just loosen the bolts and twist them forward, the electronic controls (horn, starter button, turn signal switches etc.. etc.. etc..) are a bit more difficult because they have little nipples molded into the housings that fit into predrilled holes in the handle bars. Now you can file those down and twist the controls to the desired position, just be sure to tighten the bolts good to keep them from spinning.

That's what most of us do when we replace our handle bars with other than stock bars. It seems to work fine.