wow, looks like a great build! Going to be one nice bike.
I have an 01 XR250R, wouldn't trade it for anything. Definitely subscribing to your thread. I never knew about those triples, going to look into that. How do you like the FMF ..Q4?
My bike doesn't have much for engine mods... mostly everything else. when it needs a teardown I'll open it up to 300CC