This is really cool. Growing up on dirt bikes in SoCal I've always wanted to do this. From watching the video it looks like he needs to keep his momentum up or he will fall down. I wonder how long it took him to master riding on water? Enjoy.
https://www.youtube.com/watch?v=lDi9uFcD7XI
https://www.youtube.com/watch?v=lDi9uFcD7XI