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No spark, ran a bit but not good

Discussion in 'The Garage' started by Bent13, May 13, 2012.

  1. Bent13

    Bent13 XS650 Member

    So I'm close to the end of a long project and now no fire.

    I have a 79 xs650 with a vr500 stator, Hughs plate and reg/rec.
    I installed the PM system and used a weak old MC battery to test,
    waalaa, nice blue spark, even fired it on a shot of gas through the carbs,
    it sounded smooth and nice.

    I do basic wiring, 3 fuses plus 20a main fuse, kill switch, headlight,
    tail/stop, small battery like a pack of cigs, test again, blue spark, fire it
    again quick, runs sounds good.

    Get cables cut, install tank, fire it, sounds like shit, rough sputtering,
    backfiring, I loosen the points plate, crank it a bit, sounds slightly better
    but not good.

    Now no spark at all. I remove kill switch, test stator, its good, test main fuse good,
    coils test 4.5, 8.8 on both sides, re-time it, seems close enough to spark, nothing.

    Last edited: May 14, 2012

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