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  1. R

    1979 Johnson 9.9 Water Exiting Exhaust Relief Holes

    At idle it will spit water out with exhaust at relief ports.
  2. R

    1973 25hp Johnson only reaching 5mhp

    F R----Why do folks make all these assumptions instead of some simple testing??-----But then again that has not changed for 55 years or more.
  3. R

    1973 40 HP Compression

    Rebuilt a 74 model this winter.-----Had the new pistons / rings on hand.-----That is LOW----Needs 120 PSI or so.----IT is so easy to inspect pistons and rings.-----Remove the 2 bypass covers on the side of the block.----Look at pistons.----Will cost you $8 on gaskets.----It is a mistake to put...
  4. R

    1973 25hp Johnson only reaching 5mhp

    There is an oil recirculation line on this motor.-----But replace the fuel pump diaphragm and test again.
  5. R

    No WOT

    What do you mean by ---" forward carb linkages to not move " ??----Note----Propeller must be turned when shifting the control box with motor not running.
  6. R

    Running horrible. 1978 Johnson seahorse 35.

    Sounds like throttle plate is open too early.----Runs lean then because idle circuit does not work.
  7. R

    Water coming from spark plug hole inline 6 following overheat

    Agreed -----Replace that water jacket gasket
  8. R

    Vro fuel pump

    It is done all the time.
  9. R

    1976 to 1987 lower unit swap

    Doubt there is any damage to the upper bearing on this 3 cylinder motor.-----And the 3 cylinder does not have sealing rings on the crankshaft.
  10. R

    wil not shift in to reverse

    Post #5----Click on that.----Then see ---tech articles-----Click and look on page 55 I think.
  11. R

    1986 75HP Mercury Outboard LU Metal Shavings

    Start shopping for a used lower unit ??
  12. R

    wil not shift in to reverse

    I say 21 15/16"
  13. R

    wil not shift in to reverse

    It covers different models.----What model did you set it for.
  14. R

    Weird situation, looking for advice/how to repair

    Please do tell the reason for this ?----Any pictures of the issues ?
  15. R

    wil not shift in to reverse

    I know what the parts look like.-----Where does it show the 21.38" for your motor?----Model # of your motor ?
  16. R

    ‘76 90hp Head cover sealing…

    What caused the damage to the cylinder head ?----Did you have the motor apart or was the motor repaired years ago.
  17. R

    wil not shift in to reverse

    Try 21 15/61"-----21.937-----Where did you find 21.38"
  18. R

    402 mercury outboard overheats

    Repeated overheating ???-----Then the first thing is a compression test.----Post your numbers here.
  19. R

    No power on top end

    A 2000 model would be a 60 Degree looper.----And 1998 was last year for the simple crossflow style.
  20. R

    No power on top end

    Check wires from powerpack to the coils.------Orange / blue stripe is usually for the upper cylinder.
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