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  1. The Force power

    1995 mercury force 90hp no controls spark test E113779

  2. The Force power

    Faulty /weak Valve-plates

    I feel stupid for asking this, but I am; Can faulty or weak Valve-plates affect the compression-reading on one particular cylinder? (I held them up against a bright light and no light was showing)
  3. The Force power

    Piston damage

    Okay, I think I found my first "melted piston" & I also found the exhaust-ports in the cylinder-wall have crack in them. I'm not sure how to measure a Piston's diameter other than with a Caliper, but how do I translate that into 0.10 /0.20--0.40
  4. The Force power

    90 HP force in '94 Regal jet boat

    looking at a '94 Regal yet boat (motor missing) according the seller it has a 90 hp Force power head as the outboards my question; would I be able to just take a 90 hp force outboard & drop that in?
  5. The Force power

    20 pole Tachometer

    My Bayliner Capri did not come with a Tachometer & I'm thinking to install one. I've all of the old post regarding the 20 pole that I require (90 hp Prestolite ignition) I also read that they are getting harder to obtain by the years, but I found one (not exactly what I wanted) I'm pretty sure...
  6. The Force power

    Tiny Tach.

    A while back purchased a tiny tach. (that I've no used yet, other then on my lawnmower lol) I was wondering is I could solder on an extension so I can mount it at the dash, will the extension throw out the reading? has anybody tried this?
  7. The Force power

    95 Force 70hp Rebuild

  8. The Force power

    HP rated at Propeller

    I have a few propellers for a Force / Mercury 85/90 HP, jerryjerry05 has mentioned in different post; that these particular motors were being rated at the prop. Could anyone educate me on the # for the 85/90/120 HP prop by what numbers they would have? For example the one I have laying around...
  9. The Force power

    Bearing Buddies or Keep Super-Lube caps?

    The only thing that is temporary pressurized is the area between the cap & bearing
  10. The Force power

    Retrofitting a kill switch on a 1963 mercury 500

    I don't know how well you know your wiring from you controls & engine, but if your are familiar with the meaning/purpose of the wiring. Then install your kill-switch near dash/side of boat and run the two wires to engine put the two wires between the same terminal that your mercury-switch is...
  11. The Force power

    Force 70 Slipping in Forward

    check out this parts diagram, it may shine some light on how its connected
  12. The Force power

    drop down test

    Compression reading results; #1 @ 134 / #2 @ 136 / #3 @ 140 these reading are taken with a different gauge the previous results posted. Ignition test = good firing at all Cylinders & a good spark jump Still no drop in RPM's when #1 gets unplugged, so then it can only be fuel related? pump...
  13. The Force power

    Inline fuel filter under the cowl?

    Be careful the screw in the center of the cap (where the screen is under) Is usually seized! & will break, so if you don't need to clean the screen; leave it alone
  14. The Force power

    Force/Mercury Frankenstein

    Jerry, Tell me more about this; the why/the how? I can't find anything in the manual on this
  15. The Force power

    repair manual and starter

    found your motor click on link; https://www.mercurymarine.com/en/ca/parts-and-accessories/parts-catalog then look for;
  16. The Force power

    Force/Mercury Frankenstein

    Hi Redbarron, I'm not sure what you mean, if I understand you correctly...your saying that there are differences between the early version of the Merc. ignitions & later merc. ignitions? I don't know, never worked with it other then removed the merc. ignition/fly-wheel/trigger-base/trigger &...
  17. The Force power

    Force/Mercury Frankenstein

    it should be a "91 but still has the dog bone style & old style fuel pump having said that; it was rigged with the merc. ignition there are some # at the bottom piston at the back of the block (see pic.)
  18. The Force power

    Falling in love with your boat

  19. The Force power

    Force/Mercury Frankenstein

    Hey jerry, sorry for the confusion! there are four ports on either side of the cylinder wall & the tube is on the intake side
  20. The Force power

    150 force tilt & trim

    You could look on this site(in shop) for parts
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