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Mag check engine dies

in 2 Stroke Technical Questions 13 years ago
Hi All
Doing mag check this morning on 582 blue top The right switch no drop and left switch engine dies!
How can I tell what is the problem and can you help with sequence to fault find.Hasve ducati ignition.
:( thanks in anticipation
Marc

  • Re: Mag check engine dies

    by » 13 years ago

    Marc,

    Problem is in the circuit controlled by the right switch. When you killed the left switch, the right switch was already dead and the engine stopped. I would start with the easy stuff. Check all the wiring from the flywheel housing to the dead CDI module for breaks or loose or corroded spade connections. Check the right kill switch circuit to be sure it is not grounded somewhere. Usually, those areas are where the problem is. If not there, It could be in the stator, the pickup, or the CDI module. Check all the wiring first.

    Bill.
      
    Report

  • Re: Mag check engine dies

    by » 13 years ago

    Thanks Bill, will check this morning
      
    Report

  • Re: Mag check engine dies

    by » 13 years ago

    Marc,

    Let me add this. If you are not sure which module is the dead one. pull the wires from the spark plugs from either module. Each module has two spark plug wires that go to one plug in each cylinder. If you unplug the dead module, the engine will start. If you unplug the good one, it wont start.

    Bill.
      
    Report

  • Re: Mag check engine dies

    by » 13 years ago

    thanks Bill
    Have found the problem on the PTO CDI the dual rubber plug had the green wire break at the back!re made it and away we go! took out the plugsto see which one had fouled.
    Thanks again
    Marc
      
    Report
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