strange firing- GS450

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  • jr450t

    #1

    strange firing- GS450

    I have a 1981 GS450, the right side has stopped firing. I pulled the plug to test the firing, it will not fire when held on the head bolt-- But it will fire if there is a small gap between the plug and head bolt. I can see the arc between the plug and head bolt. Any ideas on what direction to go next?
    Thanks
  • Suzuki_Don

    #2
    Yes, replace the spark plug as it is varnished up inside -- from unleaded fuel.

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    • jr450t

      #3
      Thanks Don,
      I will pick up plugs tomorrow,
      I'll let you know how this works
      JR

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