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1990 225 Yamaha 2 stroke v6

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  • 1990 225 Yamaha 2 stroke v6

    I have a 225etld that isn't getting us getting spark to 5 cylinders but the 6th is dead. I got a spark tester to verify that all others are getting spark. What could cause this to be happening.

  • #2
    Re: 1990 225 Yamaha 2 stroke v6

    Test voltages into and out of CDI to see if they are all in spec. If they are then check the coils

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    • #3
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      Re: 1990 225 Yamaha 2 stroke v6

      Swap that coil with one that is firing. If the problem stays with that coil, then it's the coil. If the problem stays with the cylinder, then it's the computer or timer base.

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