Mini biking. Coleman Ct200u-a. Hisun 196cc install. 

Thanks for the video. Do you have a video for the Hisun 196cc build? My grandson bought one and I'd like to do exactly the same thing to it you did but I'm brand new to these 4 strokes.

What type of chain breaker did you use????, if so I need to remove a few links from my chain so it can fit on my go kart!!!

Yeah the 5:1 gearing against a 19 inch tire is not good. Even with a torque converter. Once the belt shifts you're getting less than 5:1 gearing and RPM stays low.