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  1. The Force power

    Thanks to Jerry Jerry for all of his advice. Merry Christmas

    YES!! lets not forget Nordin
  2. The Force power

    Thanks to Jerry Jerry for all of his advice. Merry Christmas

    Yup!! you know these motors inside out. I've would of never been able to get this far without you & many many others on this site
  3. The Force power

    Mercury 500 Strange Ignition Problem?

    Is it "hard" to screw in the spark-plug on #4? (tread damaged?)
  4. The Force power

    Trouble shooting these old Mercs

    Here's the link you're looking for; https://www.cdielectronics.com/wp-content/uploads/2016/05/Tech-Guide-Digital.pdf
  5. The Force power

    Trouble shooting these old Mercs

    Disrespect & attitude does not get you the answers you're looking for.
  6. The Force power

    Force 120 Outboard Low compression - rebuild it?

    Lets see... #1 scored #2 melted correct? My money would be on the top Carb. (i'm sure if yours has two fuel pumps or just one?
  7. The Force power

    Mercury 500 Strange Ignition Problem?

    Intermitted miss firing when moving the warm-up lever sounds like the carbs. need to be set up properly also the timing & pick-up needs to be verified if set correctly (Sorry I just saw that Racerone already said this) so I can only add Inspect the wires coming off the trigger-arm, remove the...
  8. The Force power

    Force 120 Outboard Low compression - rebuild it?

    Remember, if you don't have (already) broken bolts and/or the gasket is not leaking; you don't need to take it apart to replace the pistons/rings etc.
  9. The Force power

    Force 120 Outboard Low compression - rebuild it?

    lol you mean; 90% break and to get to them you ether pull the power-head or the bottom-cowl
  10. The Force power

    I bought it.. 1985 50hp

    Oh...that's different :)
  11. The Force power

    I bought it.. 1985 50hp

    I never had a Merc. that was equipped with power-trim. but on others. I would raise it up and leave it there, check the next day to see if it dropped?? Maybe clean the motor?? check for a good seal where the motor meets he pump housing?
  12. The Force power

    I bought it.. 1985 50hp

    NICE!!!! I would not just clean the carbs. but also replace the diaphragms (fuel-pump) that way there will be no more guessing or harm done. Do a run-out on the shaft to confirm straight or bent?? and repair what you got :)
  13. The Force power

    Intermittent "cough" during startup.

    And that...... (I'm sure) was what jerryjerry05 was referring to :)
  14. The Force power

    significance of same cylinder-pressure

    There were my thoughts were going as well...the momentum would be thrown-off as there are un-even forces on the crank????
  15. The Force power

    Intermittent "cough" during startup.

    Good point! I don't have a test wheel either, but I do have test-tank and with a 15 P prop attached I can run it in gear at idle-speed to verify/adjust the RPMs
  16. The Force power

    significance of same cylinder-pressure

    Thank you all that tuned in & taking the time to explain :)
  17. The Force power

    Intermittent "cough" during startup.

    how so? tied to the dock would simulate a "test-tank" correct??
  18. The Force power

    significance of same cylinder-pressure

    Nope it's a new head gasket I'll explain; there's two used pistons/rings and one new in it, that's what's causing the different in pressures.
  19. The Force power

    Intermittent "cough" during startup.

    I don't know and I'm not sure to what this is referenced ?
  20. The Force power

    significance of same cylinder-pressure

    What would be the long term effect of running 3 cylinder with 2 having 125 psi & 1 having 145 psi
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