There is barometric pressure compensation for altitude. The sensor is under the right side panel behind the engine. Therefore any tune is adjusted for altitude.
The engine air temperature sensor is really important. Its position in the intake system affects the temperature it reads. Put it as close as practical to the TB's. Laying it on top of the engine or strapping it to the frame rails may work if you have the O2 sensor functioning as then the ECU compensates but otherwise it belongs in the air stream.
The factory tunes are engine safe so rich by design hence the ECU almost always adjusts A/F leaner.
Much variability in how some of our bikes run is that some of the tunes have the L-tables functioning and others don't. If the F to L switch is set at 0, then the O2 sensor is non-functioning and can't compensate. So with identical maps on the same bike, if the F to L switch is set differently, the bike can run very differently.
The engine air temperature sensor is really important. Its position in the intake system affects the temperature it reads. Put it as close as practical to the TB's. Laying it on top of the engine or strapping it to the frame rails may work if you have the O2 sensor functioning as then the ECU compensates but otherwise it belongs in the air stream.
The factory tunes are engine safe so rich by design hence the ECU almost always adjusts A/F leaner.
Much variability in how some of our bikes run is that some of the tunes have the L-tables functioning and others don't. If the F to L switch is set at 0, then the O2 sensor is non-functioning and can't compensate. So with identical maps on the same bike, if the F to L switch is set differently, the bike can run very differently.