Originally Posted by DeroDiesel
That mount is completely destroyed! Yes good thing you're replacing all the mounts (especially if they all look like that)... you were basically "hard mounted" to the stringers... rock n roll!
When re-installing, the most important part of the final assessment will be to ensure that all mounts are in "parallel"... if your shaking your head... type in "Isolator Mounting & Parallelism" into Google and go from there... GOOD LUCK!
Thanks for the assist. I changed each mount one at a time. I measured each one to ensure that I got it back to a near perfect alignment. In the end I needed to change only three. The others all have the specified eighth of an inch clearance above and below the pad as shown in the picture.
I tested the boat while tied to the dock. I still got it initial shaking bumping noise when putting that in gear, but this time it stopped within a second after the propeller came up to speed. Clearly this is an issue of engine bumping on the mounts. I may have to crank up the RPMs.