My sterndrive started making a helicopter noise so I sent the lower unit to be repaired by SEI. They concluded that the reverse gear was locked and replaced some gears, the clutch and water pump. I got lower unit back and it still makes the same noise. Upon recommendation from a technician at SEI I check the prop and it did have a bad hub. So I got the hub replaced and now it still make the same noise, but it is softer. I posted two videos on youtube with the old hub and the new hub. I did open the top of the upper unit and the gear look good. Is it possible that there still is something wrong with the sterndrive or what else would make that noise. I am posting the two links and I would appreciate some suggestions. It is a 5.7 L with and alpha 1.
http://www.youtube.com/watch?v=x4uRUq29J3c
http://www.youtube.com/watch?v=sF9VTOwk2Xw
http://www.youtube.com/watch?v=x4uRUq29J3c
http://www.youtube.com/watch?v=sF9VTOwk2Xw
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