So ECU variable timing manages the detonation (thanks for clarification) - getting round low octane at any alt I guess.
And efi with lambda ought to manage the mixture as air pressure varies.
Richer (with cooler running benefits) may not be relevant I now realise, if the best efi/lambda manages to always make a perfect mixture.
Or at 4000m+ can efi only be expected to be a lot better than a carb, but still richer than optimal?
What do efi riders find with the mpg at very high alts (3500+); the same or a little worse? I never got anywhere near that height on mine.
Q - Will a modern bike run better at high altitude? ..........
A - ... so the modern bike will run better at low altitude
So that's a no, or did you mean high alt?
Chris S
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