How to Adjust Minibike Disk brakes | (CT100U Minibike) Tutorial

How to adjust the CT100U Minibike brakes. This is basically the only real tutorial on the internet and I hope it helps!
Where I get my mini bike modifications:
www.hotrodminibike.com (muffler, air filter, and carb jet)
www.gopowersports.com (valve filter)