Hobbyking Motors SK3/SK8/KEDA

Got one SK3 6374 192kv coming loose during my morning commute.
This is now after removing it from the board. It seem like 1 bolt broke off, two were stripped.

I thought these were tanks, these 3 M3 bolts seem like holding all the weight (with support of the tiny shaft bearing)

Anyone else encountered similar issue?
Known remedies?
I was thinking of rethreading the holes with maybe M4 and find 3 new suitable bolts.
Any reason this won’t work?

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