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  1. M

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

    Disassembled the carb and found that the jet was just floating free in the bowl and was not properly installed. Fixed that and it runs fine now.
  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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