Larry and Moab riders. My 2009 TW is now set up similar to Larry's except for the carb jet and shims. Mine is stock, but runs perfect here in Olympia, WA area (sea level) and at Capital Forest elevations (1000 feet +). Did the riders with stock carb set ups have that much of a problem at Moab elevations to require me to alter a good running TW? I hate to touch a carbs that has no issue now.