February 25, 2012 comment 0 Go kart We built this go kart from a kit. The engine is approx 6hp and the boys are able to do about 30mph. Share this:Click to share on Facebook (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to email a link to a friend (Opens in new window)