1972 Evinrude High Speed Miss

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This topic contains 22 replies, has 9 voices, and was last updated by Avatar dan-in-tn 1 month ago.

Viewing 8 posts - 16 through 23 (of 23 total)
  • bobw
    bobw
    US Member - 1 Year
    Replies: 435
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    #166674

    Update – problem solved. Motor now runs properly.

    Bob

    1954 Johnson CD-11
    1958 Johnson QD-19
    1956 Johnson RD-18

    Avatar
    fleetwin
    US Member - 2 Years
    Replies: 2531
    Topics: 29
    #166716

    GREAT! Glad the issue was minor after all….

    bobw
    bobw
    US Member - 1 Year
    Replies: 435
    Topics: 24
    #166718

    Lesson learned (again) – when all else fails, read the directions!! Like in, “TOP” on the magneto cam means UP!!!

    Bob

    1954 Johnson CD-11
    1958 Johnson QD-19
    1956 Johnson RD-18

    Avatar
    billw
    US Member - 1 Year
    Replies: 1007
    Topics: 33
    #166734

    My old supervisor at work used to tell all his guys, “READ THE DESTRUCTIONS!!” (He said it that way on purpose….)

    seakaye12
    seakaye12
    US Member - 1 Year
    Replies: 361
    Topics: 97
    #166770

    The 172523 OMC ignition kit has different condensers and it meant for the larger hp engines like yours….. Just a thought….

    That’s Interesting. The condensors in that kit are a different capacitance? Or longer wires? Both? I see that the other kit 172522 is said to be for 3-40HP as well. Maybe that’s a vendor error?

    Avatar
    fleetwin
    US Member - 2 Years
    Replies: 2531
    Topics: 29
    #166783

    The 172523 OMC ignition kit has different condensers and it meant for the larger hp engines like yours….. Just a thought….

    That’s Interesting. The condensors in that kit are a different capacitance? Or longer wires? Both? I see that the other kit 172522 is said to be for 3-40HP as well. Maybe that’s a vendor error?

    I’m pretty sure the lead length is the same, the capacitance is different though…. And yes, there is some misinformation on some of the sites concerning usage….The 172522 kit is used up to 15hp, the 172523 kit was used on the 18-40hp models…. The different condensers were used to resolve an intermittent miss problem when the 172522 kit condensers were used on the larger engines….

    bobw
    bobw
    US Member - 1 Year
    Replies: 435
    Topics: 24
    #171233

    2nd update – on my most recent run, I still wasn’t completely satisfied with the overall running quality so I took the tip from Mumbles and took out the Champion plugs and put in NGK plugs. Runs WAY better at all speeds. Thanks Mumbles!

    Bob

    1954 Johnson CD-11
    1958 Johnson QD-19
    1956 Johnson RD-18

    Avatar
    dan-in-tn
    US Member - 1 Year
    Replies: 981
    Topics: 103
    #171347

    The #172523 tuneup kit includes #580419 condensers where the #172522 kit includes #580321 condensers. The higher compression engines (begining with the 1969 25hp) took the #580197 ignition coil. NLA now and all motors take the #584477 coil which call for the #580321 condenser. Unless your motor happens to have the original #580197 coils you don’t need the #580419 condensers.
    But they just keep making them!

    Dan in TN

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