Faster, faster, faster, until the thrill of speed overcomes the fear of death.
~Hunter S. Thompson
Shop called, after the OEM Tech Line required them to do a compression test, leak-down, and valve inspection, they found nothing wrong--surprise!
I mean, that's like open heart surgery for a headache, not exactly a related issue. Tech Line kept claiming there might be "carbon build up" that was "causing issues at altitude".
Carbon build up? On a bike with 2,000 miles, really?
Seriously, who hires these Tech Line idiots?
Next stop: fuel pump
--which isn't the issue, as the condition is altitude-dependent. If the pump were failing it'd do it all the time, not just when I'm in the mountains on a hot day--my guess is still some sensor reading out of range.
I'd say it'd had a bad map, but they already swapped the ECU, so it's got to be something isn't reading/feeding info properly to the ECU...which, I'd guess, is a sensor of some kind...barometric pressure, O2, MAF/MAP whatever this thing has...
Faster, faster, faster, until the thrill of speed overcomes the fear of death.
~Hunter S. Thompson