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No spark firing on rotax 582

in 2 Stroke Technical Questions 12 years ago
Hi all,
This is my first post here and plz excuse my English.
I have rotax 582 ( 50h ) I got difficult to start engine at all. I notice there is no spark firing and some fuel coming when I remove the spark plug.

Things I hope to know about it maybe can help me:
1- How I can test the black box?
2- How I can test the spark plug lead?
3- How I can test the ignitions?

What your advice to start diagnose the problem.

Thanks in advance.

  • Re: No spark firing on rotax 582

    by » 12 years ago

    Hi Saad...is your engine mounted upside down...inverted.

    Nick.
      
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  • Re: No spark firing on rotax 582

    by » 12 years ago

    Firstly thank you for prompt response
    Yes, it is upside down
      
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  • Re: No spark firing on rotax 582

    by » 12 years ago

    Hi again Saad...when you say you have no spark at the sparking plugs...have you dried the old ones out or tried a new one to see if it then sparks,

    Its not easy to see the spark at the sparking plug sometimes unless you are in a dark area away from bright light as they are not very strong...you also need a good cranking speed to get the ignition system to work...is your engine fitted with a starter motor,

    And dont forget to earth the spark plug to the engine case or it wont spark...also if not earthed to the engine case you can damage the black box.

    Nick.
    Thank you said by: Saad Alanazi
      
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  • Re: No spark firing on rotax 582

    by » 12 years ago

    I changed the spark plug 3 times with new one, Yes there is no spark firing at all i did all test in the dark area to see if the spark firing or not. Even that i but my magic finger on spark head but no electric shock.
    My engine fitted with a starter motor.
    I earthed the spark to the engine case but no firing and engine dose not start.
      
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  • Re: No spark firing on rotax 582

    by » 12 years ago

    Saad,

    Have you checked all four plugs for firing? If none of them are firing, you could have a problem in the stator. If it is only two plugs that aren't firing, it could be one black box that is bad, or wiring to that box. Do as Nick suggested and check the plugs one at a time and be sure the plug body is grounded to the frame.

    Bill.
      
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