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yamaha 175 h.p. lighting coils

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  • yamaha 175 h.p. lighting coils

    I have the book and the voltage tester to check the coils. The book says I need to load the battery with a load tester. Can I just run the battery down some and do the test.

  • #2
    yes, or leave the lights on for 20 minutes or so.
    typically I check battery voltage with engine off then with engine running.
    on your 175 you should see about 1.5V difference at about 1500 RPM.
    its quicker .

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