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tedious- have been boating!

Just looking for second opinions and didn't want to run above 3000-4000 as is.
My assesment was that there's not enough material displaced or removed to effect shaft bearing, but wanted to ask.
It feels worse than it looks. The original edges were slightly radiused and this just sharpened a portion of each blade edge.
Will try a touch of a fine flat metal file, then maybe some 200 grit.