John H. wrote:

These 'muffs' are what I use when running my engine while the boat is out of the
water. The water intakes are above the propeller, as you said your's were. I
can't see your engine, so I can't verify they'll work for you.
--
John H

http://img.photobucket.com/albums/v1...Picture113.jpg here
is the lower unit.

I'm a little under the weather right now, so I don't feel up to getting
a picture of what I think is the intake (maybe later today)...but I
think it's the flat section above the prop, perpendicular to the shaft.

I could be wrong tho, and probably am.