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  1. #1
    Join Date
    Oct 2009
    Location
    choctaw, ok,
    Posts
    12

    Default I am interesated in a boat wit

    I am interesated in a boat with a 1984 150 hp Evenrude. Ad says carbs need cleaned and cylinder re-built. then list conpression 117-125 . I thought on Evenrude and johnson motors 100-120 conpression was good. What is good conpression on 1984 evenrude 150 hp motor. Once again thanks for any and all help!!!

  2. #2
    Join Date
    May 2009
    Location
    Marine Engine
    Posts
    563

    Default its the difference between the

    its the difference between the cylinders that becomes a issue more than the number itself

  3. #3
    Join Date
    Oct 2009
    Location
    choctaw, ok,
    Posts
    12

    Default "THANKS CLIFF , IT IS ONLY 8 P

    "THANKS CLIFF , IT IS ONLY 8 PSI DIFFERENCE BETWEEN 117 AND 125 WOULD THAT NOT BE GOOD?"

  4. #4
    Join Date
    May 2009
    Location
    Marine Engine
    Posts
    563

    Default well as I understand it 10 is

    well as I understand it 10 is bad the next question is do you trust the numbers that he is giving

  5. #5
    Join Date
    May 2009
    Location
    Posts
    371

    Default "You also need to find out wha

    "You also need to find out what cylinder the ad is referring to. He may be referring to a trim/tilt cylinder. If those numbers are correct, they do not suggest an engine cylinder problem."

  6. #6
    Join Date
    Oct 2009
    Location
    choctaw, ok,
    Posts
    12

    Default "Sorry about caps, thanks for

    "Sorry about caps, thanks for info!!"

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