Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
Kawasaki FD620D is the model , it is gear timed. Here is the Cub Cadet parts list with engine parts.
I see question is still open, did you find problem?