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Recent content by 93’mariner40

  1. 9

    40hp magnum compression

    the only manual I could find was the seloc and I thought I read in there a pressure of at least 90 was acceptable.
  2. 9

    40hp magnum compression

    Is compression in the 90s really bad?
  3. 9

    40hp magnum compression

    Thank you for clarifying that!
  4. 9

    40hp magnum compression

    I assumed this was a vacuum line but this T goes to each carb.
  5. 9

    40hp magnum compression

  6. 9

    40hp magnum compression

    I will have to get another one, the one I’m using is from o Reillys auto parts. Any suggestions on where to get a better one? Also do you know if the vacuum line would cause the engine to stall when put under load?
  7. 9

    40hp magnum compression

    I have a 40hp magnum 4cyl 2 stroke, the compression test results were as follows #1-94 #2-99 #3-97 #4-105 These numbers seem low, am I correct in thinking that. The motor seems to idle very well but stalls when put in forward. I also discovered that the carbs were both leaking, and the top...
  8. 9

    40 HP Mariner

    Anyone know the year of this serial number- 0D237143
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