With LCD installed properly per youtube videos and everything powered off:
- Power on bike via rocker switch ""on/off"" button
- Power on thumb throttle
- Power on LCD Screen
- Ensure LCD is on at least assist mode "1"; if it's on "0" the bike won't go.
- Watch this video for a walkthrough of the above: https://www.youtube.com/watch?v=hEKJi3SJ0cM