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I just put a 40hp Suzuki 2-stroke with a 20 inch drop on a 15ft Boston Whaler knock-off I have. It is a Central American cross between a Whaler Sport and a Panga. Whaler bottom/hull with a Panga bow and slightly higher sides & transom/20in. Anyway with the motor hung on the transom the Anti-Cavitation plate can be trimmed parallel to the hull with a straight edge as a guide but it is 1/2 to ¾ inch above the bottom of the hull plain…? Is this an issue? The manufacture says to put it one inch below but many other individuals have said to try to get it as close to the surface of the water as possible, usually one or so inches above the bottom of the hull (when on plain). Who is right here..? Trying to avoid having to notch the transom more than it already is if it’s not needed. Any tips appreciated.

Just took the boat out for one shake-down run/motor break in. Seems to ride bow high. Had to have my girl friend (98lbs) sit forward to get a better ride on plain but even that was not quite enough to get the boat on to what I thought should be a closer to leave ride on plain..? The cavitation plate is right on the surface or a tad above the water when I cruise along on plain. Is this correct? Not sure if lowering it will give me a better ride...?

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Paul,

It sounds as if your motor height is just right. As long as the propeller is not ventilating, you are fine.

Lowering the motor will not help bring your bow down. Adjust the motor trim angle in for that problem.