Here's some video.

https://youtube.com/shorts/nrcdB9F0WNA?feature=share

Notice the speed bouncing up and down and zerooff is trying to chase it. This causes the throttle to surge up and down.




https://youtube.com/shorts/UyDwXzHvfr4?feature=share

This video is at a stand still on a calm day. See the speed gauge oscillating.




https://youtube.com/shorts/dKorsnEPW0Q?feature=share

Finally here is one with zerooff disabled and steady rpm. Speed gauge oscillating despite a steady speed.



What do you all think? GPS? Software?