My Yanmar engine has lifting rings attached to the engine, so here's what I 
did:

1. Disconnected the shaft coupler.
2. Removed all four top nuts from the existing mounts.
3. Rigged up a lifting tackle from the front lifting ring, through a 
convenient port, to a primary winch, using snatch blocks to make turns.
4. Had the Admiral crank the front of the engine up off the mounts, blocked 
the engine with lumber temporarily, replaced two mounts.
5. Lower engine onto new mounts, move tackle to rear lift points, repeat 
step 4.
6. Realign engine.

The new mounts had the same mounting bolt spacing as the old ones even 
though they were different manufacturers, so no rebuilding of the engine bed 
was needed. It was pretty easy, really. The realignment process can be a bit 
frustrating, but just take your time. I also took the opportunity to add a 
flexible shaft coupler between the engine and prop shaft while I was at it.

Mark Mowery
Gazelle
Lake Huron
-------------------------------------------------------------------------------------------
Sometimes I wonder, "Why is that Frisbee getting bigger?"
And then it hits me ...
 

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