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1997 9.9 cdi unit gone bad?

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  • 1997 9.9 cdi unit gone bad?

    I have checked stop switch with ohm meter. Has anyone ever had problem with CDI unit going bad these are expensive little units. Any help would be appreciated.

  • #2
    Very seldom they go bad, need to test charge coils, pulsor coils and CDI output with a peak reading voltmeter to find problem.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      These motors do have a crank sealing issue-rubber sealing between cylinders goes bad.Beleve it is up to 2004 models,then they came with aluminium seal.

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