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    250 carb motor "sneezes" at idle

    1993 250 V6 carb motors. One motor will randomly puff back through the carbs, kind of like sneezing. It will usually recover, but ocassionally will stall out. Motor always restarts fine. Usually, it will idle fine on the way out, and on the way back while in gear, but will somtimes start...
  2. G

    Motor won't pull under load

    1993 Yamaha 250 carb motors. As usual, ran fine when I put it up for the winter. Started right up for the spring, just primed the float bowls (I leave them empty over the winter). Went out and fille the tanks with fresh fuel, and then found the port motor won't rev to get on plane. It won't...
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