Now save the .kcl as whatevername.kcl and import it into the same .szs file you imported your model.
and now the hardest part:
3. The KMP
This is something that tells the game where the enemy should drive, where you are out of bounds, where item boxes are and so on...
To do so, open up KMPExpander, import an already existing .kmp (you can dump that from the .szs you are using for your track). Then click view and select the .obj from your collision. You should now see many points and your course. Now you have to move the enemy points (don´t add new ones, that could cause crashing) and press the right mouse button and the KMPExpander will auto-calculate the Y-Value. Do this with all enemy points/item-points and (at least) the goal in the object section (you can also move everything there.)
And now to the part where most people fail: The checkpoints. First of all I found out that there is a min. distance between the red and green checkpoint, so you shouldn´t put them too close. But you should also do not put th