You probably should contact the manufacturer to get that info. Perhaps you already did that and got no response and came here.
Looks like a fun scooter. I also have a dual motor scooter. There seems to be some similarities across the dual motor scooter space. This may not be exact, but maybe this diagram could help?
This is from a Zero 10x, which my Apollo Pro (2019) is mirrored after, and has the same wiring.