Search results

  1. D

    1974 Evinrude 25hp wont run.

    So I took the carb off cleaned it sprayed all The openings etc…. So no contaminates will be in there . Put new fuel lines in. Went to start it ran then dies. Not what did I do ???? So what happened was I put the gasket on upside down to the bowl. & it blocked one of the passages. It was...
  2. D

    1974 Evinrude 25hp wont run.

    Ok so I figured let me check the fuel pump . So I took the lines off of it . When I did I thought the gas in the line going to the carb looked orangeeeee. So I drained what was in the carb. Then I took a sample from the hose that was going to the fuel pump so this is the gas in the tank. Here...
  3. D

    1974 Evinrude 25hp wont run.

    Thank you for confirming it. Feel better now…
  4. D

    1974 Evinrude 25hp wont run.

    I looked online the chart says I was wrong All together should be J4c . Can some one tell me what is correct
  5. D

    1974 Evinrude 25hp wont run.

    Ok new question, I replaced the fuel line . I also put new plugs in it. But I Ipurchased CJ8 spark plugs . But book says J8C . They look identical .. would that make a difference ? I also bought a device for Rpm. The wire wraps around the plug . You program It so it will know it is a 2...
  6. D

    1974 Evinrude 25hp wont run.

    I appreciate all the help. If it was not for this group the motor would not even be running, funny thing is I have the 1974 Evinrude 25 & also acquired a 1974 Johnson25 hp . Then I asked a simple question and was given a great simple answer the two motors are identical. So when I work on one I...
  7. D

    1974 Evinrude 25hp wont run.

    This rabbit hole is deep, very deep . If I am wrong for posting to much about the same motor tell me. I was under the impression this is where to go to ask theses questions to get help from people who have the knowledge and are willing to help the unfortunate like me. One day at a time I take...
  8. D

    1974 Evinrude 25hp wont run.

    i cant seem to locate any thrad that can give me a answer about RPM. can someone tell me the RPM for the motor to be at idle or something that is acceptable. this will also help me in my diagnostic issues . thanks Dale i feel like i can concour the motor, sith everyones help.....
  9. D

    1974 Evinrude 25hp wont run.

    there is no stop button, i had to put in a MOB on it. thank you i will set it tonight if not pooring out. Thank you Dale
  10. D

    1974 Evinrude 25hp wont run.

    so the next question is this part circled i know it stops you from turning the handle to a slow speed that it will cause the motor to turn off. question is what is the starting pont for this to be, how many turns out to start off. next question alot of people put there own into this...
  11. D

    1974 Evinrude 25hp wont run.

    is this the gasket you are refering too. i did replace that when i rebuilt the carb.
  12. D

    1974 Evinrude 25hp wont run.

    So last night before it got to dark out, i loosend up the red arrow ( picture below is the refrence) then i turned the handle till the blue arrow cam roller touched the 2 dots the yellow arrow. then i tightend up the red arrow. so when i turn the handle back to off will say it does not touch the...
  13. D

    1974 Evinrude 25hp wont run.

    I know I asked about the idle. But what I was looking for how to adjust the roller cam. So when the roller cam touches the 2 dots ? Is there a way you can point me to see if crank case is the issue or a test I can try to give me some answers to why I think I have a problem… Thank you for your...
  14. D

    1974 Evinrude 25hp wont run.

    How do I get the idle to come Down . Is it after it is running adjust the low idle speed needle ? How do you adjust timing with the 2 lines ?
  15. D

    1974 Evinrude 25hp wont run.

    So I got the ring to set the driver coil properly. Also adjust the linkage to the carb that goes to the cam roller. I am attaching some videos and pictures the first picture , when is the cam roller to move ? On the 2 little dots or the 2 lines. The video shows the motor running but I can’t get...
  16. D

    1974 Johnson 25 hp backfire issue and other

    as for pistons i did a compression test pictures are above, i did let it sit holding the pressure for a bit and no leak. as for spark i did replace everything to do with the ignition system, accept the driver coil. so i orderd one and the RING to set the driver properly. i have taken the carb...
  17. D

    1974 Johnson 25 hp backfire issue and other

    then if i take them apart again i will do it that way, so do you know much about idle issues. i cant get the Evinrude 25 to idle at low speed, so my thought is take the carb apart and clean it again and put in a fuel filter ? your thoughts. thank you Dale
  18. D

    1974 Johnson 25 hp backfire issue and other

    I am not saying you are incorrect, but i have one screw that holds the points down to the plate, the other screw is for adjusting the placement of the points. so if this is wrong i am open to learning...... thanks Dale the small Arrow is holding the points to the plate the bigger Arrow is how...
  19. D

    1974 Johnson 25 hp backfire issue and other

    I put the nut back on the motor, rotated to the SET MARK, checked the points on the one side, the. The other side same thing . If it wasn’t for help telling me to recheck everything I would have been chasing this for a while. Time and double checking so when you put the nut back on the crank...
  20. D

    1974 Johnson 25 hp backfire issue and other

    So I got home gave it a few pullsand it ran nicely then died. So have it more throttle pulled again it ran the stopped . Checked points again they were spot on . Checked for gas . Then spark? No spark?????? So I put my spark checker in and I could see the coil was shorting to the block. Both...
Top