[abl1111]

I just re-did mine too. I would do this: Take the old garboard tube out ( if it's bad ). Make sure the bilge is empty so the area does not get wet, rough up the hole in the transom w/ some sand paper. Vacuum it out, clean w/ a little acetone, and epoxy the hole w/ the West System to seal the edges. Let it dry.

Visualize this next part:

The Perko drain plug w/ the (3) drilled out holes is made of bronze ( the threaded male, plug is brass ). The drain plug diameter fits snugly into the correct size garboard tube. The plug is the male part.

You want to dry fit it all first.

You want the garboard tube to be cut just at the right size so that it sits flush with the bilge-side wall of the transom ( you could flange it if you want ) - and just long enough to allow the drain plug to be mounted to the transom on the outside and fit inside the garboard tube.

Once dry fitted, then I used caulk life and set the garboard tube in place. Let it set. Then, the next day, I put the drain plug into place, and screwed it in ( using Caulk Life also. To be extra safe : you could also, oversize the (3) drill holes, fill 'em with thickened West System - let them fully dry and then re-drill the correct size screws through the epoxy into the transom - this way, if there is ever any leaking - it's into epoxy and not your beloved transom !

Ask me why I re-did mine !!!

Hope that was clear !