Need help. Motors spin weird and during ride there is a kickback that is not cutoff related.

I have a Flipsky FSESC 6.6, a custom 12s2p P42A pack, and then 2 Flipsky 6354 BLDC motors and for the longest time I haven’t had any issues with them running and then after doing a motor mount swap and a new configuration I have been having a couple of issues:

  • If I punch the throttle the motors there is a weird pulsing issue before it goes full speed
  • Sometimes 1 of the 2 motors stops if the throttle is not high enough
  • When giving it throttle on the roads and going relatively fast, the board will kick back almost like it is hitting a battery cutoff, but upon looking at the logs the battery doesn’t get near it

Maybe I’m setting something up incorrectly but any help would be appreciated.

Thanks.

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This is a link to the video to show the weird pulsing issue. - YouTube

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