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  1. M

    Bogging at full throttle intermittently

    I did not replace the carb lines. The bulb is not sucking in at all and depressing the bulb when running in this condition changes nothing. Do you think I should start replacing ignition coils or clean the carbs first or at all? I do have some chewed wires standard with all old engines, but...
  2. M

    Bogging at full throttle intermittently

    Intermittent bog at full throttle Hello! I have a 1999 40hp 2 cycle Mercury 3cyl. Very periodically I will all the sudden completely loose full throttle. During these times where this occurs the engine will misfire slightly and run not so great at lower speeds too. It's like a light switch that...
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