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  1. S

    XB12r with poor running past 1/4 throttle

    did tps reset hot, didnt fix anything. problem gets way worse as it heats up. On Ecm spy the VSS shows and input all the time running or not. tried disconnecting voltage regulator and stator, didnt change anything. set tps at 5.5 degrees idles was at 950rpm, raised it to 1100 which brought tps...
  2. S

    XB12r with poor running past 1/4 throttle

    I may have posted this in the wrong forum. its a 2005 xb12s lightning. Stock ecu, stock muffler, elevation 4200 feet. I did not do the tps reset when engine hot, did it engine cold. I'm helping a friend with this project. Its not a slight hesitation, its a huge running issue.
  3. S

    XB12r with poor running past 1/4 throttle

    I have looked at several other posts with this title and doesnt seem to apply to this bike. I am a very experienced tech, but no buell experience. Bike starts fine, idles a little rough and when you nail the gas it bucks and hiccups then clears out intermittently and will run up to redline. Does...
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