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  1. The Force power

    1988 Force 1251H8C overheating

    The temps. you were mentioning are not alarming at all. what makes you convinced it's overheating? the buzzer only? Disconnect the temp.sensor(that's what forms the ground-path for the already energized buzzer-circuit) Run the unit like you have before and see if the buzzer goes, if it does...
  2. The Force power

    1988 Force 1251H8C overheating

    this one maybe more helpful;
  3. The Force power

    First snow fall for the season

    Woke up this morning & saw the fist signs of winter here in southern Ontario (Canada):canada:
  4. The Force power

    1988 Force 1251H8C overheating

    Yours would have the Presolite ignition system and the #1 / #3 do not share or have the same trigger colored wires. (see the attached schematic)
  5. The Force power

    3 cyl 65hp Merc - teach me a few things...

    Found some pics. It tricky but possible to remove one piston only & hone the cylinder-walls without pulling them all & needing the compression tools. BTW, I like your Idea of the hose clamp
  6. The Force power

    Why are Skeg guards so expensive?

    I now I know it does very little; other than protecting the propeller "to a point" I'm missing a chunk of the Skeg on a 90 hp Force, this it self does not bother me but to make it look better. I started looking into these gadgets and was blown away on the cost!!! I understand it's a quick-fix...
  7. The Force power

    Drop down test

    I've been searching through the "archive" of previous posts regarding a drop down test but can't really find my answer. With the engine running pull the plug wire of the Spark plug to test a change or not. It is advised to have the spark plug grounded when checking the ignition-system, so it...
  8. The Force power

    Plugs in or out when setting the timing on #1

    If I leave the plugs out (and grounded) it will ensure me that the Flywheel spins fast enough to produce spark when cranking at WOT. But will it spin too fast to set the timing accurately?
  9. The Force power

    Prestolite ignition problem

    I'm testing the ignition-system before I remove it of this Part motor and found no spark on #3 I have; -disconnected the rectifier & kill-wires - checked all wiring connections & wires on trigger & Stator - (ohm) tested the Stator & trigger as per Factory manual = good -tested coils individual...
  10. The Force power

    Mercury wiring on Force-engine

    never mind
  11. The Force power

    tool for Connecting-rod caps '90-'92 90 hp Force

    I tried a 7mm /7/32" 12 point socket but it's not the right one (it catches but slips over) I've been digging through the old post to find the correct size socket & found that 1/4" 12 point is correct one. I have no problem buying tools, but I like to know if the is the correct seize?
  12. The Force power

    Force/Mercury Frankenstein

    okay I went out and bought two parts-motors; - 89 Force with prestolite- ignition with the "dog bone" style Re-circulation and old style fuel-pump -92 Force with Mercury ignition system BUT also has the "old style" fuel-pump & dog bone re-Circ. I all ready have also a 90 that has a square...
  13. The Force power

    Piston damage

    I have two spare ('89)Force 85 HP motors and both have one cylinder damage/low compression (70 psi) The cylinder-wall are okay & I can Hone them. please let me know if this piston damage is referred to as; melted piston
  14. The Force power

    Re-circulation system

    I removed the lower hose at the front ( way under the Carburetors) oil was leaking out slowly, then pressurized the hose and can hear the air escape (somewhere??) Does this mean; it's clear from any obstructions? Are there any screens in the T-fittings/Elbows? please see the attached Drawing...
  15. The Force power

    Stator difference between 3 cylinder & 4 cylinder

    is there a different Stator / Fly-wheel used on a 3 cylinder or 4 cylinder "89-"90 Force motors?
  16. The Force power

    Not permitted

    Mod EDIT: Not permitted
  17. The Force power

    spark plugs all three different colors

    #1 switch box / replaced ALL wire terminals/cleaned pins & sockets from all plug-ins. Compression #1 -135 PSI #2 -140 #3- 140 Motor not running in High Idle will die if tried, will start shaking violently when running in idle randomly & quit Fuel...
  18. The Force power

    Carburetors for 85 / 90 / 120 / 125 HP

    Do the numbers stamped in the carbs (where they bolt on the block) represent the HP or their appearance? for example air/fuel mixture-screw external on the side V.S. on top inside at front ? I'm trying to figure out if I just put a set of 120/125 Carbs on my 90HP Also they spit fuel out of the...
  19. The Force power

    Stator & Trigger tests

    I have all three plugs jump a gap of 7/16" but when I follow the checkout procedure I don't get the readings as I should; -should have 3 volts coming out of trigger-wires --I get no reading - 210 volts from switch-box to coil -- I get 35 volt going to one of the coils (#2)...
  20. The Force power

    1990 90 HP Force (with '92 Power head) Presto ignition

    seems to be running on center-cylinder only drop down test on #1 & #3 = no change Replaced fuel pump's check-valves/diaphragms & all fuel-hoses Have Spark on all Cylinders/all Carbs. full of fuel/ 150psi even compression on all / no visual defects found on Reeds. Have timing & Carbs. lync &...
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