Here's our built from scratch go kart with homemade shifter kart frame with some home depot pipe and a harbor freight welder. We put a lot of time into this project and took a lot of pictures so we figured it would be cool to put it into a video. Kart has a predator 212cc motor with a comet torque converter and 11x6.00-6 Maxxis Tires on it. Top speed is around 45.