me too....
I have the same Tohatsu, a terrific motor. I can only tilt it up by removing the cowling. A fitted canvas bonnet combined with the shelter of the lazarette cover offers adequate storage protection (mild San Diego climate) Needless to say, when sailing, I leave the motor down. I eventually plan to modify the mount but, feeling the same way you probably do, want to make the correct alteration. When I contacted David Graas, Catalina customer service, I was concerned that enlarging the opening upwards might weaken the hull and single backstay. Here is his reply: "Joseph, Before doing that, be sure that the motor can't go down any farther by cutting the bottom side. You can also place a 2X8 on the back of the transom to move the motor out and that adds to the clearance. If you still need to cut the upper edge, either go to a split backstay (you can then make it adjustable, an added benefit) or place a backing plate across the inside of the motor well and bolt the existing chainplate through it." Hope this helps, let us know how your alteration came out.
