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    1974 Evinrude 25hp wont run.

    My gap is ok, my motor ran till I changed multiple iteams. Then it was put to me plain and simple . Do you have spark , do you have compression, do you have fuel . So the one item I can’t guarantee till the weekend is fuel making past fuel pump. So that is my quest when I fix that I will see...
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    1974 Evinrude 25hp wont run.

    Well I have about 4 metal Cans . So I will look inside the metal Can make sure clean and get gas and try one. Thanks for the idea. Quick and simple . So one day this week, overtime work all week. Thanks for the help all Dale
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    1974 Evinrude 25hp wont run.

    Will try that one day this week, I also will try buy putting the hose directly in the tank and bypassing the connector and hose In tank. I will report back when I try these two ideas. Thanks as always Dale
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    1974 Evinrude 25hp wont run.

    Thanks, as for pressure from crank, if you run the motor with out blocking the hole for the pulse, you can hear it and you can feel the pressure. So i don’t think it is that one. All gas related lines are all changed. Accept the line in the plastic fuel tank. I will try using a gas line just...
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    1974 Evinrude 25hp wont run.

    No
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    1974 Evinrude 25hp wont run.

    so i have done some trouble shooting over the weekend to see if i can figure out fuel issue with the motor. 1) purchased new gas, used the Penzoil oil as suggested. 2) replaced all fuel lines on motor 3) ran motor with gas in carb to see if pressure was coming out to make diaphram move, took...
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    1974 Evinrude 25hp wont run.

    Thanks for being BLUNT, I just went and reread what was stated about driver coil and coil packs that go to the spark plug. To be BLUNT I wrote it down incorrect so you were right to tell me. But I do understand what the process is. Driver coil sends voltage to the ignition coil that steps it...
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    1974 Evinrude 25hp wont run.

    No i dont have a rectifier yet. i will look for that system after i get the motor to run better.
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    1974 Evinrude 25hp wont run.

    -It appears you are totally confused by ignition coils under the flywheel and the driver coil under the flywheel ????? i think i might be the way you are asking me. i thoiught the driver coil was the one that would produce Voltage to go back to the battery to charge it. the Ignition coil was...
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    1974 Evinrude 25hp wont run.

    i keep the tank about a foot lower then the head of the motor now. i do have multiple motors, but the two motors have the same powerhead, so i ask questions to just the one motor, anything i learn from that i can use on the other. i do appreciate all the help, hopefully will be done with this...
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    1974 Evinrude 25hp wont run.

    i ask alot of questions, realising they are general. so i try to be more spacific, so i get more of a direct answer to my problem. thank you for the celifane idea. but when i squeeze the ball for gas it leaks badly, new clamps didnt help that much. thank you for the help and idea Dale
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    1974 Evinrude 25hp wont run.

    i watched some videos to see about the suction or pressure depends on how you look at it, but most say 1lb, the problem is unless you hook a gage to the line and add a T so fuel can still go to motor when running. you wont feel it if you put your finger over the hole? so out of the three motors...
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    1974 Evinrude 25hp wont run.

    I should correct my self. So from what I have read and looked up the fuel pumps that are on theses types of motors only use the pulse from The crank case that makes the diafram pulse. I see it does Not do to much more then that. After the motors is running it is basically a suction after that...
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    1974 Evinrude 25hp wont run.

    funny youmention that. the tank i had was not venting. it was building up with pressure could see the tank bulging (plastic) so i ripped the little device out and fixed the issue so it will vent on its own now. the other thing is, since i did that the issues started to show up more. so i think...
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    1974 Evinrude 25hp wont run.

    i did, it does spit fuel in a good flow. i even took it off and ran it with out fuel pump, but it runs and then dies. so i have to start over and double check. i did something wrong, just have to look at it again with fresh eyes. thank you Dale
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    1974 Evinrude 25hp wont run.

    Picked up gear oil for the 3 drives. So I did the maintenance in the lower end. I am having issues keeping the motor running again. So as some one said to me troubleshoot don’t guess. The gas bulb had a leak on the output side. The carb would fill up with gas then run what was in the bowl, then...
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    1974 Evinrude 25hp wont run.

    That is awesome, thank you for all the great info and explaining it. I will work on it tomorrow . Today I was working on the 9,9 but I need a carb kit so it’s on hold . Back to my Johnson & Evinrude 1974 25 hp motors. Thank you very much As always appreciate the help Dale
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    1974 Evinrude 25hp wont run.

    Thank you for the help and information. Appreciate all the HELP…. Thanks Dale
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    1974 Evinrude 25hp wont run.

    Wow, I only asked again for everyone seems to have a diffrent value. I am sorry if you are tired of my trivial questions, but I have come a long way by asking instead of assuming. This was a place to get help correct. Sorry you feel aggravated with my questions. But I think I can fix my...
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    1974 Evinrude 25hp wont run.

    Ok so I will be going to the stores to pick up some Penzoil today. What is the prefers mix ratio 5 gallons of regular or high test , to how much oil please. Next is gear oil I am changing it in all 3 of my motors what is better I don’t see it but this is what my Walmart sells Thanks as always...
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