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    1974 Johnson 25 hp backfire issue and other

    that is going to be me approch when i get home. i will go over all the wireing to see if possible a short somehwere ? then double check all connections and look at carb again. i got time. i have another 25 by Evinrude and a 8.5 by johnson. i want to take 2 of my kids out striper fishing. i go...
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    1974 Johnson 25 hp backfire issue and other

    Backfire, get a pop out of it. could it possibly be the one coil is going bad and not firing all the time, then when it does fire all the atomised gas in the chamber goes off all at one time >>>????? just thinking outload. thank you Dale
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    1974 Johnson 25 hp backfire issue and other

    i think i am going to replace both coils, they are original too. so to start off fresh. also may replace the driver coil. will keep updated after parts come in thank you all Dale
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    1974 Johnson 25 hp backfire issue and other

    Hello all, I have a 1974 Johnson 25 hp motor pull start, Model number 25R76E It is a long shaft. first thing i did was pull the spark plugs and sprayed oil in cylinders. check for spark fixed the points, re gapped them, ran some 800 sandpaer through them till i got a good streak on paper. took...
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    1974 Evinrude 25hp wont run.

    so i orderd a locating ring so i can set the coil properly, i did order a new driver coil, not saying it is bad, but it is original. so to elimanate issues before i go back and look at the carb again. ill change those parts and see if it improves. thank you all for the help. Dale
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    1974 Evinrude 25hp wont run.

    What is the magneto plate bushing ???
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    1974 Evinrude 25hp wont run.

    That is how I originally set them up so they are sitting flush to the bosses . This is an original coil under the fly wheel, what are the chances it is the issue . Is there a way to tell ???? Thank you Dale
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    1974 Evinrude 25hp wont run.

    How do you know what is the correct spot… a tool ??? Or by what I said tape and time
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    1974 Evinrude 25hp wont run.

    There is only one coil under the flywheel . If that means anything . I was thinking of putting tape on the driver coil and seeing how much I can move it till it hits the wheel. Of course by turning it by hand ……
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    1974 Evinrude 25hp wont run.

    Can I ask why do you say the coils are not set correctly. What did you see that made you think this . Thanks Dale
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    1974 Evinrude 25hp wont run.

    Is there a way to set it properly then. If it is off how can I tell. There is no rubbing on the flywheel inside
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    1974 Evinrude 25hp wont run.

    So if I go to the motor and push the button it starts right up. But I have more questions???? I took a video of the plate under the fly wheel if I can get it to run low enough the plate is junkin and jiven all over. Is that normal I think I might have a bad seal. For in the pictures you will...
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    1974 Evinrude 25hp wont run.

    I did think of that and made me wonder Hmmmmmmmm. The good thing is I never mounted the kicker bracket. After looking at weight and how high the transom was , I have made the choice, ONE MOTOR AT A TIME. I bought a boat not a sub. Thank you for catching that too. Dale Thank you……
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    1974 Evinrude 25hp wont run.

    I can push the button to start with the throttle open, in neutral and it fires right up no hesitation. It’s when I turn it down some it gets funny. But I have to set the carb up to the motor first. Waiting on my next instructions Thank you all Dale
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    1974 Evinrude 25hp wont run.

    Yes I did . Removed it spayed carb cleaner and put back a new welsh cap. It runs better after I just put the new points in. It is a learning curve for me. But with help I am getting through this. I am watching some YouTube channels on how to set that up. Not understanding it completely but I’m...
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    1974 Evinrude 25hp wont run.

    So mine is missing part #19. It had a bad sputter. So I read the forums and someone said they redid there points and that fixed it. So I just took them all apart. Put the new ones back on gaped them to .20 , put the fly wheel on not completely to spec. Sonic I have to take it off again. So it...
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    1974 Evinrude 25hp wont run.

    I have a question know that the motor runs. Has a bad hiccup/ skip . I see in the picture part # i see in the picture part # 35. I re did carb as you suggested but I don’t know how to tell if that part is in there. From my pictures the one with the plate on the carb in front. When I put the...
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    1974 Evinrude 25hp wont run.

    Ok so here we go, I took the points off cleaned the top under flywheel. Put the points back on, put original ones back in, I did take sand paper to them like suggested. So back to all original. Feeling like that might be the right move. Then I took the carb off checked the gas in the carb , put...
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    1974 Evinrude 25hp wont run.

    so i looked up the coils that i had orderd they are the correct replacements, here is a picture of them. so i amasking how do i tell if the coil lamination under the flywheel is putting out enough charge, or does it just create the field ??? thanks again Dale
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    1974 Evinrude 25hp wont run.

    So what i have found from everyones HELP, is i would have to agree that the spark is not good enough, i say it is a great spark, but according to what everyone is writing it is a ok spark at best. so i will be going online and replacing the points, i see in POST #12 , I put down the differance...
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