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    1991 Force 90hp starting problem

    Which ignition system does it have Prestolite or Mercury Thunderbolt? You are saying "Idle speed is set as the mark is right below the touch point"???? Idle speed screw is at the tower shaft and you adjust it by screw it in or out and it rests at the engine block. I think you mean the throttle...
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    Force 125 to 150 swap questions

    The 1989 125Hp should have Prestolite CD ignition system. Four blue or black ignition coils and two blue or black CD boxes. What ignition system has the 150Hp? Does it have the Prestolite system or the Mercury Thunderbolt system. If they have different system to each other, the wiring is different.
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    1971 chrysler 12.9

    9,9Hp, 10Hp and 15Hp from early 70.es with magneto ignition maybe fit.
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    Force 120 won’t shift into reverse, will on muffs.

    The older Mercs that I have worked with and had the same or similar shifting the shift shaft coupling at the split has a spline and it is has a notch so the shaft only goes one way in to fit. Some says you should put the gear in forward before pulling the LU off some says put it in neutral. I...
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    Force 120 won’t shift into reverse, will on muffs.

    Okey, that is a 1995 with Mercury style LU. The different between the Chrysler and the Mercury style shifting is that the Chrysler style shifting by pushing/pulling the shift rod up and down. The Mercury style is shifting by turning the shift rod back and forth.
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    120 hp 1995

    If it is a 1995 120Hp the std. piston is 3,375 in.
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    1987 125 force issues

    As jimmbo says, check for good spark and compression then cleaning the carbs. Check the fuel pump diaphragm, set the float level and adjust the air/fuel mixture screw.
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    Force 120 won’t shift into reverse, will on muffs.

    We need to know the model number or a pic to help you. They started to change the LU from Chrysler style to Mercury style in mid 90:es. If it has the Chrysler style, yes there could be an adjustment issue. I have not worked with the Mercury style, so maybe some other will chime in.
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    Throttle cable maintenance and adjust basics? Force 85 H.P. or other..

    You find the Youtube video by searching (google) "carb and timing tutorial". You find more good information at the sticker in top of this site. Force & Chrysler FAQ and other great information
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    1966 6HP Chrysler Model 6601-02-03 - looking for parts

    Franz Marine service, he will have if available.
  11. N

    Help with 1974 chrysler 1057hf

    Your engine has Magna Power I system, not Magna Power II. Magna Power II is completely different. Your system must have power from battery to charge the capacitors in the CD box. The dist. has either points or a preamp which trigger the CD box to fire. As you have spark at #1 and #4 check the...
  12. N

    125 Force Outboard won’t achieve full power

    The low speed circuit are acting even when high speed. The Wallboro and Tillotson carbs on Chrysler/Force are working like that.
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    Hi all so back kind of after a rebuild as found broken rings not causing any problems but once seen

    125 I have answered your PM.
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    Force 125hp not wanting to idle

    Sounds like it has a lean setting of the air/fuel mixture screw at the carbs. I think the OEM manual says 1 turn out from seated, try to turn the mixture screws 1 1/8 or 1 1/4 of a turn out from seated. Maybe you have to adjust the idle screw too. It should idle 1200 RPM at muffs and 7-800 RPM...
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    3.5 chrysler outboard

    Try Franze Marine, he will have if it is available.
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    How to Test trigger and stator on Force -125 hp outboard

    Look at Mastertech Marine web site. They have diagram for Chrysler 125 Hp Prestolite ignition. You find it under Tech spec/ common wire diagrams/ Chrysler Force.
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    How to Test trigger and stator on Force -125 hp outboard

    You can test the resistance in the windings with a VOM, but even a good result of it maybe a bad stator. The best way is to measure the output from the stator and trigger. Using a DVA meter (special for OB and other vehicle troubleshooting) or a VOM with a DVA adapter. The output from the stator...
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    Looking for Force part COVER ASSY 818074A1

    Check with Franz Marine, he will have it if it is available or he has NOS part.
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    1988 Force 88 hp, help on wiring cdi

    Send me a PM and I will send you back the wire diagram as a pdf file.
  20. N

    Is this normal wear on a distributor belt?

    Right tools and it will go really easy. Have only have one flywheel that did not come loose in my about 25 years playing with outboards. You do not have to make a mark when change the belt. The distributor pulley has a line and an arrow at the top. It is a curved line that shall follow the...
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