I say forget the Avgas and just run pump fuel.

Instead, use the money you will save on a good Detonation Counter. The 2000 RS I had ran freaking awesome on pump gas. The extra heads that I got with the bike were a lower CR with narrower squishband. That thing flat out rawked, and made the NSR feel like a snail anywhere over 3k rpm.

I guarantee if you buy a Det counter you will absolutely LOVE it. Then you can actually get every drop of power out of ANY fuel you choose to run.
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Paul Herr
'88 FZR4/GSXR/YZF Frankenbike
MY BIKE PICS