IMG_0019.jpgIMG_0020.jpgIMG_0021.jpgJust been doing mine today, yes there are scribe lines but mine did not line up, as you can get to the inside I marked the position of the bearing connection brackets and cut small slots for the bearings to go through, I then opened these slots so as to get full rudder deflection travel, they are a 1/2 inch wide, I have not decided how to cut the vertical but I will make them only large enough to fit the bolts. The bottom slot I have opened a little different to the plans but it does expose the rudder deflection stops and I can get the bolt in.