I didn't say deck heads, I said squish heads. You're not going for high compression, but rather a good squish band.

Yes, agreed that an H2 engine makes more sense if you're trying to keep up with modern bikes. With some good porting, big carbs, and other common sense improvements it's not terribly hard to get well into the 80 rwhp range. Optionally reeds will give it 4-stroke-like bottom end grunt.

Use the resource site to find machine shops known for doing good work on triple engines.

I could give you my interpretation, but you'd be better off reading either the Jennings or Bell tuning books that are on the resource site. The squish band sections are not long or particularly complicated, and are very worth reading. You'll certainly find a lot of other relevant information for your project in either of those books too.

The quick and dirty answer is the squish band is a region where the piston comes close to the head, keeping the mixture cool and delaying combustion in that area, and preventing detonation. But a lot more is going on than that.

That's not a bad plan at all, just don't get in any races with anything faster than an FZ-07.