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  1. #11
    Click avatar for tech links/info K447's Avatar
    Join Date
    Jul 2007
    near Toronto, Canada
    Quote Originally Posted by beerdart View Post
    ...You must have at least 10.5 volts while cranking for good spark.
    Quote Originally Posted by 4stroker View Post
    you mention it has a good battery in it. What does that mean?
    Check the voltage while cranking on the Red purple circuit in the electrical box with a DC volt meter.
    Has to be a min of 10.5 VDC.
    A weak battery is probably the number one cause of no spark on these engines.

    A good battery will deliver well over 10.5 volts while cranking the engine. Without that voltage during cranking, the CDI will not deliver a good spark.

  2. #12

    Join Date
    Mar 2009

    Thanks for the tip about the coil.

    After trying to not overlook anything I ordered a coil assembly, The meter also indicates the coil pack. How could all three coils in the coil pack go bad at the same time? It should be here any day now.

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