I was taking apart the KZ750 and got to the exhaust. The exhaust wrap I had on there was in bad shape. It was unraveling and losing its color. So I took it off. The bottom two pipes on the header had some dents. I decided to fix the dents by cutting them out and hammering them back into shape. Then I simply weld back in the pieces. After some grinding and paint the header is back in shape.
Well I knew it was going to be a tight squeeze, but chain rub is no good. What is nice about chain rub is it marks where you need cut. I made a rough cut out for a piece of 1.25″ x .120″ wall square tube. Then I shape in a piece of tube to fit the notch, and burned it in. I did the same in both cases. The chain was rubbing on the rear and the front of the swingarm.
With the notches the chain doesn’t even come close and the strength is still there. It’s all ready to repaint!!