Sea Ray 170

I have a Sea Ray 170 bow rider that makes a grinding/cavitation sound when the steering is turned left or right or if the trim is moved up/down.  It is more noticeable in rougher water or when more load is applied.  Could this be a prop issue? or bearing? steering?  Any help you can provide would be greatly appreciated.

Martin Von Blon



Sounds like the gimbal bearing is about to take a dump. This is the bearing that supports the driveshaft from the drive as it goes into the engine. During hard turns or load the bearing makes more noise. Remove the drive and have it inspected. Bad thing is the more you run it like this the more expensive it gets.




Please submit whatever questions you have to  All questions and answers selected will be displayed on this page as they come in.  Note: though all boaters are welcome, priority may be given to I.H.R. members.  Randy can not be held responsible for any advice given.  Though his information and expertise is second to none, he has no control over what you do with your boat.  It is up to you to boat safely and act responsibly, and his advice is only to be used as a guidance for your high performance boat/motor of which you are the one responsible for the risks involved.

Mark C.


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