Originally Posted by Frank L

Check the droop and decrease it if you need to. That will keep the driveline in the cup. My experience with a kyosho ready set truggy many years ago was very expensive. Every time i needed a part I had to upgrade everythig around it. I should have just bought a kit because after I got done I spent more than I would have if I just bought the race kit. But try the droop and make sure it's set correctly.