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  1. #1

    1974 suzuki 185 gt help

    My brother has this bike, I have been helping him with it over the phone. I suspect the ignition switch is bad. Good battery but no lights come on and no spark when he kicks it. Replaced coil pack and stator.Question is, there's 4 wires on the ignition switch, brown, red, grey and orange. Any one know what colors to twist together to get power and spark? Basically hot wiring the thing to get it going. Thanks

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  3. #2
    Update. I went to my brothers to check out the bike. Took the ignition switch apart and cleaned all the contacts. it now has power and turns over with the starter button. Still no spark though. Checked the pack and there is current going to it when not trying to start it 0.03 volts. It does keep blowing fuses with the light on. Would a grounded wire cause no spark?

  4. #3
    Update again. Was testing voltage in the stator, NOT cranking it and it backfired? From one of the cylinders. Pulled the plug and smoke was just pouring out. Any help is appreciated!

  5. #4
    My Bike(s)
    1975 Suzuki GT185
    The timing and ignition are controlled by those carbon brushed on the smaller part of the copper wire armature.

    They must be gapped properly. I actually have two of the GT125/185 Haynes Manuals if you want one.


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