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post #1 of Old 11-21-2006 Thread Starter
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Need help YANMAR engine mount


Brand new Yanmar 3JHE 40HP, SD50 Saildrive, 150 hours only.

The front Port engine mount stud broke, clean between locking nut and engine support, (as if it was cut).

Called Yanmar (complete engine installation by Yanmar also on brand new boat) and they immediately replaced the rubber mount, the stud and the engine support, rechecked all bolts and left. (gave me a free oil change, and filters).

They say never happened before, and the cause was material fatigue !!??

So far new parts are ok. Has anyone experienced this on a Yanmar??

I made a simple drawing of where it broke

Please help.
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