One motor louder than the other

I’ve recently noticed that one of my motors is significantly louder then the other. is this something to worry about or is it all good. motors are boardnamics (flipsky) 6384 170kv. Thanks.

I would open the loud motor and check bearings, magnets and generally inspect it.

All screaming motors I’ve had, had loose magnets.

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Motors can be noisy, when one is louder than the other 99% of the time doom is coming.

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