wildebeest
Contributing Member
All,
One of my 225s makes a whining noise primarily at idle, or low RPM. At higher RPM, the noise gets quieter or just gets overcome by the engine noise. I can't hear it at all at cruise. I used a stethoscope to try to find the source, and it sounded like it was at the gearcase/mid-shaft bushing. I removed the mid-shaft bushing (which was new anyway), but the sound persisted. Lower unit oil is also new and looks fine. It has done this to some extent since I bought the boat earlier this year, but I think it used to be intermittent/quieter, or, as I've used it more, it has just become more annoying. I'm not really sure.
Here is a video of the sound. Anyone experienced this before/have any idea what is causing it?
One of my 225s makes a whining noise primarily at idle, or low RPM. At higher RPM, the noise gets quieter or just gets overcome by the engine noise. I can't hear it at all at cruise. I used a stethoscope to try to find the source, and it sounded like it was at the gearcase/mid-shaft bushing. I removed the mid-shaft bushing (which was new anyway), but the sound persisted. Lower unit oil is also new and looks fine. It has done this to some extent since I bought the boat earlier this year, but I think it used to be intermittent/quieter, or, as I've used it more, it has just become more annoying. I'm not really sure.
Here is a video of the sound. Anyone experienced this before/have any idea what is causing it?
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