Oh wow! You’re right you just may have found the perfect kart. Just don’t hurt those axles and u joints. They’re made from unobtainium, and can’t be gotten in this galaxy. Welcome to the madness!
Have never had one single problem with the U-joints.
Yes. Each one has a zerk in it. Just an aside, A few years back ( on this forum I think ) someone had a post with the exact same kart, stating that they were getting ready to put a 420 predator on it. I responded with concern about theAre the joints serviceable via a Zerk fitting?