I actually had a go kart before. It was a hand me down just sitting in an shed when I moved in with my adoptive family. It had an 8 horsepower tecumseh engine. I got it running but I never drove it because i couldn't reach the pedals. Apparently built for an average to tall size Male.
I was going to modify the pedals but I ended up selling it because i was trying to buy my first 74 duster at the time and I was short money, but the go kart sale put me with enough to buy the duster.