propulsion rough

  1. F

    2013 Bad Boy 54" ZT MZ

    Mower "jumps and bucks" when I push levers forward. What needs to be adjusted?
  2. M

    Simplicity Regent 12 Briggs 289707 stuttering, runs rough, won't idle or throttle properly

    Simplicity Regent 12 witha 12.5hp Briggs 289707 1 cylinder 4 stroke running incredibly rough, smoking, stuttering. On lower power settings it will smooth out for about 3-5 seconds then die, on high power settings it stutters and runs extremely rough, never smooths out. Has an integrated...
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