Is the threaded hole in question in the gimble housing or the bell housing?
You're tapping the bellhousing, it doesn't make any difference if it's installed or not,
The part being tapped is called the bellhousing.
Go up and read the page from the manual on reply #2 or #11 start at the word "IMPORTANT" also look at the picture below that paragraph.
It's called a gimbal housing, just like it says under the picture. QUOTE]
Apparently I must be blind (old age) where under the picture is "Gimbal housing"?
It's called a gimbal housing, just like it says under the picture. Go up and read the page from the manual on reply #2 or #11 start at the word "IMPORTANT" also look at the picture below that paragraph.
http://www.mercruiserparts.com/Show...BAL+HOUSING+SQUARE/SPLINED+UPPER+SWIVEL+SHAFT
What is number 1 in this exploded view?