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  1. sidenberg

    Steam from exhaust

    I am getting excessive steam or vapor coming from the 2 portholes out the back of the leg, during idle and continues up to about 3000 rpm or what is called the "no wake zone". It does not occur when using ears or in a bucket. In the ocean it starts happening as soon as the engine is first...
  2. sidenberg

    Timing Questions

    How does advancing the timing affect a Force outboard and accordingly what are the affects of retarding the timing?
  3. sidenberg

    Prestolite Ignition

    The coils and cd's on my 1987 125 hp are black. I understand on some 125 hp models they are blue. Are they both made by Prestolite? Is there any difference besides the color?
  4. sidenberg

    Force 125 Timing 28d or 30d?

    I am getting different info on timing at "cranking" method on 1985 125 HP. Clymers says 28 BTDC but others are saying 30 BTDC. Anyone know for sure what is correct?
  5. sidenberg

    Help with Timing 1987 Force 125

    Having never done timing before I do not understand what the reading means. I am using a $99.00 digital timing light from Autozone. My motor has three marks on the flywheel with the middle one marked white. In taking the reading at cranking rpm, the timing light shows the two white marks line...
  6. sidenberg

    Carburetor clean procedure question

    If you remove the idle mixture screw and blow air through (with the bowl removed) will the air penetrate all the idle passageways in the carburetor?
  7. sidenberg

    Idle mixture setting on 87 Force 125

    engines runs best with idle mixture screws turn out 3/4 from lightly seated. Any richer than this it runs to rough at lower rpms,(vibrates and intermitten skipping). I understand this setting may be considered too lean, however it runs smooth at this level, (although still tends to smoke...
  8. sidenberg

    87 Force 125 Fuel Recirculation Clean Out

    Anyone familiar with procedure for cleaning out fuel recirculation on this engine? Foodfisher, you said you did your '86 125 HP. Did you spray sea foam or something through it or do you need to take it apart and clean manually?
  9. sidenberg

    1987 Force 125 Idle mixture screws

    Engine runs perfect through all rpms only when the idle mixture screws are turned 3/4 turns from seated. Specs call for 1 1/4 turns. I am a bit worried about damage running it this lean. If I turn the screws any richer it still runs fine at WOT and it starts and idles just fine, but it will run...
  10. sidenberg

    Prop pitch? How do you measure?

    The manual for Force 125 calls for 13" dia. x 19" Pitch propeller as standard. How would I determine what the pitch is on my propeller?
  11. sidenberg

    Fixed! Force 125, rough at low rpms, smooth above 3000 rpms

    1987 Force 125. Starts right up and idles smooth around 1000 rpms. Runs a tad bit rough between 1500 to 3000 rpms. Its not missing, but just not smooth. But at 3000 rpms and above runs perfectly smooth and fast, like a fine tuned watch. Cleaned out both carbs and installed new needle and seat...
  12. sidenberg

    Why 2 ground wires?

    The wiring diagram in my Baylinner manuel shows 1 #10 ground wire that runs from the negative battery post to the negative connection at the fuse block behind the dash and then another #16 ground wire in the harness running from the motor ground connection to the negative connection at the fuse...
  13. sidenberg

    Fixing melted ground wire in harness

    In fixing up recently purchased 1987 Bayrunner I noticed the blk 16 gauge groundwire coming out of the harness behind the instrument panel was hanging loose and melted. So it is not connected to anything however everything seems to work fine. The diagram I have shows it should be connected to...
  14. sidenberg

    Question about switching 1987 Carbs for 1989

    Does anyone know if a set of 1989 carburetors for a Force 125 HP will fit on a 1987 Force 125 HP?
  15. sidenberg

    Help! Need Carburetor Needle Seat Seal For Force 125 HP

    Anyone have part FK10107-3? The needle seat that was supposed to be in the carb kit I ordered was not included even though it is supposed to be according to the Mercury Parts Service Dept. The Mercury parts center now says that this seat is no longer available. I really only need the little...
  16. sidenberg

    Force Carburetor needle seat replacement

    I can not find a new press-in needle seat for my 1987 Force 125 hp. The rubber seal inside the seat is toast. I can not find the replacement anywhere. The only ones I find available are the screw-on type. Does anyone know if the seat for a 1989 Force 125 will work on a 1987 or does anyone know...
  17. sidenberg

    Force 125 HP Water Pump Issue

    I have a 1987 Force 125 hp. After installing new water pump kit, I ran engine with ear muffs. It seems to be working well with spray coming out 2 pee holes and exhast, however I am also getting water "streaming" from the 6 weep holes located next to the 6 bolts that attach the gear case to the...
  18. sidenberg

    Force 125 1987 water pump circulation question?

    My recently purchased 1987 Force 125 had water in the gear case oil and gear oil leaking from water intake. To fix I removed gear case and installed new water pump housing and impeller plus new drive shaft seal located underneath the water pump housing. After putting it all back together I...
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