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hesitation at start

  1. hesitation at take off and a backfire from the exaust when down shifting hard

    Missouri
    i have a slight hesitation on take off then it opens right up and runs like a champ... then going from full throttle in 5th gear ill down shift fast and hard for a corner and once in awhile it will backfire then run great again as soon as i put the hammer back down.. and ideas? as far as i know...
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