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How to replace ignition cables?

in 912 / 914 Technical Questions 11 years ago
Hi. I'm thinking about my old cables. What is the procedure of replacement? It's look's like normal ignition cable tighten info spark plug connector and ignition coil.
There should be any problems when replacing? It is necessary to use any glue or sealant?

  • Re: How to replace ignition cables?

    by » 11 years ago

    Hi,

    I have tightened a couple connections from spark plug connector to wire by ;

    turning off the connector, clipping the wire about 1 cm and turning the connector back on .


    I think the spark plug connectors are only screwed onto the wires .

    I believe this is the case at the coils too , but I have never had the wires out of them.
      
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  • Re: How to replace ignition cables?

    by » 11 years ago

    correct Kevin; the wires are screwed into both the coils and caps, they each have a threaded prong inside. No sealant is required but make sure the outer sheath is pushed over the coil housing to seal out moisture. the cap makes its own seal.
    The outer sheath, p/n 860990, is very important for electrical insulation. Do not substitute with heat shrink or leave it off. Also do not use 2-stroke wire (with the white core)or common automotive wire. the engine will not run properly.
      
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  • Re: How to replace ignition cables?

    by » 11 years ago

    Ok, so I should do this by myself.
    The problem is on my engine for long time outer sheath wasn't pushed properly. Maybe there is my problem with 400rpm drop on one magneto. Another what I don't like is some corrosion on coils square bolts. I'd like to clean it.

    My local distributor not always have every rare parts for rotax, if he haven't what type of fable I can use? I thinking about high quality general usage wires but maybe you know any parameters?
      
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  • Re: How to replace ignition cables?

    by » 11 years ago

    I would not take a chance with such an important part of the engine; order new ignition cable and sheath from your Rotax distributor. they are not rare parts.
      
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  • Re: How to replace ignition cables?

    by » 11 years ago

    Sheath too? Mine look's fine but they are not pushed properly.
      
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