BUJIAS BUJIAS GSX 600 F KATANA

I have a Katana GSX 600 F, and it's burning out the spark plug in the first cylinder. We've already tried many things, but we can't find the problem.
Can anyone help me diagnose the issue?

What do you mean by "burning spark plugs"? I ask because it's happened to me before that when we say "burning spark plugs" we're talking about racing or competitive vehicles, and when we take them out the spark plug electrode is missing and the insulator is broken. If you mean the same thing, it's due to high temperatures at high revolutions.

I mean that with the new spark plugs, the motorcycle runs well, but after a few kilometers, cylinder #1 shuts off and the same spark plug is no longer usable (it stops sparking), and I change the spark plug again and the same thing happens after a few kilometers.