I have a 19' Cobia bay boat with a 150 Yahama 4 stroke. It runs 50 mph wide open with me and the wife, full of gas, eats and drinks, and about 43 mph loaded with me and Jfranovich(BIG ole country boy), 3 full ice chests, and supplies for an all day fishing trip.
I run about 35 mph at 4500 rpms fully loaded. She gets on top step o.k., but not like my old boat with a 2 cycle Mercury.
But my fuel economy is pretty great compared to my old 2 cycle Mercury.
I can talk to anyone fishing with me when running at any speed. The Yamaha is a super quiet motor.
My boat doesn't have rolled sides, she has the liner. She weighs 1960 lbs. dry, without engine.
I got her because it was one of the few boats that would fit in my car port and it had a 60 gal. gas tank.
I don't know now well a 150 would push a 22 ft'er, unless it is a light boat.
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