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    BCCBarker Cust's Avatar
    BCCBarker Cust Posts: 1, Reputation: 1
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    #1

    Jun 11, 2012, 04:46 PM
    simple wiring for a 1977 650 x s yamaha
    I need to rewire a 1977 650 yamaha with 2 coils do you have a diagram for this?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Jun 11, 2012, 07:19 PM
    I Drove a XS 650 SG From Vegas to Florida Keys Years ago. Nice Bike.:

    XS650: 80 XS650G and SG Wiring Diagrams | thexscafe
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #3

    Jun 13, 2012, 06:28 AM
    XS650: 77 XS-D Wiring Diagram | thexscafe

    This is for a 1977, but I see it uses 1 coil for both cylinders as well.
    Maybe one with points and 2 coils, if so, ignition goes to power the coils, and the ground goes through points and a capacitors.
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