When I was much younger we used to water ski behind a 33 Evinrude. It had shear pins on the prop and we would typically shear 3 or 4 everytime we went out. We kept a cooper rod and a hax saw. We just made cut them from the rod as we needed them.
I definetly would not drill it out and put a larger pin or bolt. It is intended to be the weak link as others have mentioned. You want the pin to break so nothing of any value breaks.
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New Orleans, La.
04 CT30RL CRUISER
11 Tundra 4.6 w/tow package & Timbren suspension kit
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