I was looking into powder coating but want to keep costs down, im really hoping to hear success stories from using spray paint but might be wishful thinking.I've always been disappointed with the results of painting the frame of a motorcycle. Paint easily chips and flakes. But I've had great success with powder coating. If you are going to strip the bike down to the frame, then I suggest powder coating.
I think @TownsendsFJR1300 at one point mentioned a spray paint that was _close_ to the existing frame-color (silver), if you wanted to try to keep it the same.
The silver paint I use on my FJR helmet lock bracket(s) is Rust-oleum "7271 Siler Metallic" which is pretty much close to stock.
The below picture is my bracket (painted) on an FJR which I believe has the same color silver as the FZ:
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