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Thread: Temperamental 3rd cylinder

  1. #16
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    6th November 2010 - 11:43
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    Yamaha FZX 250 Zeal 1992
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    Cheers guys, got a full set of needles ordered, will let you know if that makes a difference.

    Fruitloops- I do have a vague memory of the HT lead copper being a bit green when i changed a boot a while ago, do you rekon that that oxidization could cause the intermittent cut out? And when do i connect the multimeter to the spark boot to check resistance? when the bikes running or just with the key on? havent done much elec-trickery on bikes..

  2. #17
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    6th May 2012 - 10:41
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    Quote Originally Posted by e-a-m-o-n View Post
    Cheers guys, got a full set of needles ordered, will let you know if that makes a difference.

    Fruitloops- I do have a vague memory of the HT lead copper being a bit green when i changed a boot a while ago, do you rekon that that oxidization could cause the intermittent cut out? And when do i connect the multimeter to the spark boot to check resistance? when the bikes running or just with the key on? havent done much elec-trickery on bikes..



    off bike. set to range that covers your 5ohm. (x1, x10) measure between boot (plug end) and cap (CDI end)
    unlikely that the oxide would beggar the connection.


    pop quiz though: what do you ever check the resistance of in a live circuit?

  3. #18
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    6th November 2010 - 11:43
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    Yamaha FZX 250 Zeal 1992
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    Quote Originally Posted by Akzle View Post



    off bike. set to range that covers your 5ohm. (x1, x10) measure between boot (plug end) and cap (CDI end)
    unlikely that the oxide would beggar the connection.


    pop quiz though: what do you ever check the resistance of in a live circuit?
    wouldnt know mate. never checked a resistance.

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