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No spark help

  1. #1
    Senior Member shortbus's Avatar
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    Jan 2012
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    Lowell
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    No spark help

    Got a 2000 zx6r worked great, left it out in the rain one day. Next day it would not start. Cranks strong.

    I've thrown some parts at it that I had laying around.

    New battery
    New CDI
    New Junction / Fuse box
    New Pickup coil harness (both old and newer (not new) are out of spec according to my meter).


    It definitely has the right mix of fuel and air.

    I've confirmed no spark by pulling the coils grounding a plug and physically watching no spark. There is 12 volts at each coil.

    I've tested things and come up with this:

    Each coil is within spec for primary and secondary resistances
    The pickup coil is outputting 3 volts not 3.8 volts, resistance is good.
    All wiring tests good (each wire to ignition box goes to where it is supposed to go and works)
    All fuses good
    Cannot check peak voltage because I don't have the proper tool.

    In order to fully ignore the safety crap (its a street fighter parking lot bike anyways):
    The side-stand safety switch I bypassed. (correctly)
    The neutral safety switch I bypassed. (correctly)
    Ignition switch I bypassed (correctly)

    So I guess one question is, anyone else know if 3 volts is "enough" for the pickup. Its gap is .23mm so that's not the issue. I'll buy a new one, but I feel like 3 would do something? anyone have any real world experience with that?

    Anything else I may be missing?

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  2. #2
    Banned
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    Is that a bike that will turn over with the kill switch off?
    Tip over sensor?
    You would not see the 12V momentary at the coils without an o scope.

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  3. #3
    Senior Member shortbus's Avatar
    Join Date
    Jan 2012
    Location
    Lowell
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    Re: No spark help

    Will not turn over with kill switch off.
    No tip sensor.
    I have no tools to see momentary 12 or peak voltage at the coils, all I can do is physically look for spark.

    0 Not allowed! Not allowed!

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