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Thread: Ignition systems

  1. #1
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    17th February 2005 - 11:36
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    Ignition systems

    Can someone point me towards some literature on ignition systems on these bikes? Theory or practical, either is fine.

    It appears as if it's a flat (i.e. no) advance curve? Any rules regarding vac/centrifugal type advance curves?

  2. #2
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    Malcolm - Greg has all the shiz on this - there is not a lot to it really....

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  3. #3
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    5th February 2008 - 13:07
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    I understand there is a rudimentary "advance" curve caused by some interaction between the coil and the flywheel. I read something about it years ago.

    But if you want to hack, start here ;

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  4. #4
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    Quote Originally Posted by Ray LeCheminant View Post
    Malcolm - Greg has all the shiz on this - there is not a lot to it really....
    Not a lot to what, ignition systems on minimotos, or what the rules will allow?

  5. #5
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    26th May 2007 - 19:06
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    The ign is flat your bang on there. There used to be a rule about "no ignition curves allowed" for open class but only two or three people knew what it actualy ment so I don't think it was put into this years rule book. I have never come across an advance/retard set up on one of these little engines yet but I would imangin it would make a huge difference to your power band and clutch wear.

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