read through here:
click meI get that's it's a lot to read, but you'll find your answers in there.
plus - you're not likely to hurt your bike regardless of what setting your use.
On some level it's just a personal seat of the pants feel you have to find on your own.
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2008 WR250X
Gearing: 13t - 48t
Power Commander 5 / PC-V
Airbox Door Removed - Flapper glued - AIS removed
FmF Q4
Bridgestone Battlax BT-003rs