That is just the static point. The ECU takes care of the rest. Mess with it and you risk detonation and fractured piston ring lands. Seen too many of those already by people that say "I run regular just fine in my LT". A broken ring will quickly destroy the Nikasil coating in the cylinder wall.
If you are looking for some performance enhancements, there i a guy talked about on another forum that burns chips with different maps for the k1200... engine. This doesn't mess with the base timing but the dynamic parameters as the bike runs.
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