hen I replaced the fixed motor mount with the retractable motor mount and added the swim ladder, I ran into the  same thing. I carefully mounted both the new motor mount and the swim ladder. I used 1/4" aluminum backing  plates and everything. When I stood back to admire my work, whoa, it's all cockeyed! But wait, I had carefully leveled the  hull, and used a level to place the motor mount and ladder. They were plumb to the hull and each other. IT'S THE  RUDDER ! Laid the level along side the rudder mount and it was off. I removed the rudder and carefully marked the  center line of the transom. W  Here's a picture:  Picnic Cat Rudder Not Plumb  Posted by: George Haycraft, Picnic Cat  79