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Cylinder 1 not firing

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    Cylinder 1 not firing

    Good evening gents!

    I have a peculiar problem. Just finished rebuilding my '83 GS850G, and started today for the first time in 7 months! Problem I'm having is cylinder 1 is not firing the plug. I have tried changing the plugs out, and cylinder 4 is firing fine. My first guess is that the wire for cylinder 1 has gone bad. In writing this, I realize I should test my theory by switching 1 and 4's wires, see if the problem follows. If it does not, I will be totally baffled, and would like some others insight.

    I will update the post once I have completed my test. Also, coil checked out around 200 ohms from plug end 1 to plug end 4, and I've been using a timing light to check plug fire.

    #2
    I'm probably not qualified to ask, but is it possible the carb is not allowing fuel to that cylinder?

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      #3
      Could be a defective plug cap or wire.

      I'm probably not qualified to ask, but is it possible the carb is not allowing fuel to that cylinder?
      Even if the carb is clogged you should still have spark.

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