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top end
My gps and speedometer both show 30-32 mph. I have a three blade aluminum prop 21 pitch stock yamaha prop. I think I should turn 6000 with a 17 or 19 pitch. I am told that a 21 should have me down in low 5,000's. My 27' cruiser runs 45 no reason this should be slower, or should it???
Boating on the st. lawrence River.
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