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  1. The Force power

    1990 Force 150 kill circuit

  2. The Force power

    76 Merc 850 Electrical Help

  3. The Force power

    Dual Carb Linkage on a 40hp 400 Mercury Outboard

    As Faztbullet said the linkage between the carburetors is there (see pic.) It may need to be adjusted to have them synchronized
  4. The Force power

    1984 Force 85HP Not Charging - Occasional starting issues

    here's a schematic for your motor and a link to diagnose https://www.outboardignition.com/page8.asp
  5. The Force power

    1986 Mercury Classic 50

  6. The Force power

    Classic 50 speedo hole in LU

    the Cavity-plate is the two plate on both sides (look like wings)
  7. The Force power

    1991 Force 90hp start without controls

  8. The Force power

    1995 mercury force 90hp no controls spark test E113779

  9. 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)
  10. 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
  11. 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?
  12. 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...
  13. 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?
  14. The Force power

    95 Force 70hp Rebuild

  15. 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...
  16. The Force power

    Bearing Buddies or Keep Super-Lube caps?

    The only thing that is temporary pressurized is the area between the cap & bearing
  17. 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...
  18. The Force power

    Force 70 Slipping in Forward

    check out this parts diagram, it may shine some light on how its connected
  19. 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...
  20. 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
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