I started this project with no knowledge of welding, metal fabrication, or small engines. I have learned a ton so far. Some major screw ups from cutting quite a few pieces from the wrong size tubing, to realizing after the entire frame was done that there was no way I could fit in the kart to drive it. I've done some of my own mods and read about others. Finding all the parts has been quite a bit of a chore as well. Some places still have websites and online catalogs, they'll even let you order all your parts. Only to wait a few days and never be able to contact them. I also have my customers (the kids) breathing down my neck about when it's going to be done.
It's worth the badgering though. They get so excited every time something comes in the mail. So this is what I've done so far: