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    My flywheel came apart at the bottom where some metal blades are stacked together any idea why?

    So I had an issue with no spark and after taking the flywheel off I found metal blades all over and the trigger damaged stator not functional anymore. Do you guys know why those stacked up blades are not secured? Here are pics of the damaged parts and of the flywheel. I already got another one...
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    Any advice on a starting battery and rectifier/regulator for a 1990 Force 120HP

    I had a stator fail on one of my twin 120HP. I have a Sea 7650 Add-A-Battery System with ACR and Battery Switch and a AGM battery for stater and a deep cycle for accessories. I was told the AGM is not recommended for the CDI stater. Stater measure 0.5V DVA and open resistance, brown/yellows and...
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    1990 Force 120HP no spark NEW stator tests 0.5V between sets open resistance this is crazy HELP

    So I took it out and motor running great I got to the destination 12 miles later and turn off the motor fished then when tried to start it was not doing it at first but then it did it and I moved spots. After trying to start again it just never did. No spark on any cyls. Tried the rectifier...
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    Took the boat out and one of the twin Force 120s just quit the other was running on 3 cyls for 12 miles

    So I took the boat out to the Channel Islands yesterday, it was flat out there even though the apps showed 3ft waves and as usual were wrong thank God. So, it rode perfect all the way there going 25mph. I got to the first fishing spot, and I stopped. After a while I wanted to start it and it...
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    1990 Force outboard lower drive issue question

    I have twins on my boat initially I rebuild one motor and then noticed the second was full of water and rusted bearings so I replaced the front bearing and gear and the top bearing. I put it back and when I put it in gear at idle it would kill the engine. I took it apart and compared to the...
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    1990 Force 120hp question about 6 wire stator for 4cyl motor

    Și I bought this stator that has 1 through 6 wires for the Force engine. I was told I can just use the 1through 4 wires and tape up 5 and 6. But my problem is 3 and 4 are short. Can Iuse1 and 2 and 5 and 6 instead of 3 and 4? I am including pictures of the 4 wire and the 6 wire stators.
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    1990 Dual Force 120s one side showing 16.7v at speed with dual batteries

    Before I change the the rectifier again wanted to to ask for opinions. So I have dual batteries one deep cycle the other starting, have a 1,2 B switch, common ground between the 2 and another common across from the second set of batteries. I changed the rectifier twice with a original Force...
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    1990 Trophy twin Force 120s prop question

    The boat came with 4 blade13x19 props but it only maxed at 4400 RPMs at WOT, so I got some 4 blade 13.5x15s and it does max out at 5000RPM now. If I run one engine though after 3000RPM it revs up like it's slipping and the boat doesn't pick up speed, both motors do it, just revs up to max really...
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    1990 Bayliner Trophy with twin Force 120s need advice on prop sizes

    It has 4 blade Turning Point 13x19 on right now and it only reaches 4100 RPMs on the dash could be more or less on a digital gauge. I read some and it is mentioned that 13.5x17 or 13.5x15 if heavy load is the way to go. This boat is heavy at least 3500Lbs maybe more. I am going to fish it on the...
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    1990 Force 120HP B model cannot seem to find the issue with sporadic no start

    On the twin force 120hp I completely rebuilt one of the engines and the drive. I was able to successfully start and run the engine on a hose in the parking lot. As soon as I went to the lake it started but it would die in gear. Even adjusting the rpm did not help. The carbs air mix screw was...
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    1990 Force 120HP carbs mix adjustment help

    So I set timing at 28BTDC. I tried adjusting the mix screws by the book but when I go counter clockwise I don't really get the bogging, stalling issue to go the other way until stalling again and adjust in the middle. So I read somewhere, maybe Jerry mentioned it somewhere don't remember, that...
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    Need to adjust the dial 1990 Force carbs mixture

    I want to take it to the lake this weekend and adjust the mixture and then the timing. I don't have the 90 book I do have the 92. So after adjusting all the components around the carbs, including timing at 28BTDC I have to adjust the carbs mixture and idle. Book says turn in all the way and turn...
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    Merc 125HP on a 1996 Trophy, no spark and would not start before that

    So it was taken out last week and it died right at the LiveBait shop. Several attempts were made to start and it would start and then die. The owner did the compression test which showed 120s across but did not ground the cables so now it has 2 problems. There is a no spark condition on top of...
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    1996 Force Mercury 120hp starts then dies HELP

    So we were at the bait dock and turned the motor off, when ready to go it would not start, pumped the prime ball and it started, revved it and it died pretty quick prime ball soft again. Repeated process same result. Can it be the pump? Thanks guys
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    1996 Force/Merc 125 tilt cyl spit outall the fluid on water

    So my friend was getting back from the Channel Islands semi heavy seas and in the bay he heard something pop and sure enough all the tranny fluid got spit out through the little hole in the front middle section below the motor. Picture 1. Something got released and all the fluid came out. Have...
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    1990 Force 120HP trim and tilt not keeping motor up no leaks

    So I rebuilt this motor successfully. I have a fual motor on my 24 footer. And after I raised it up it slowly started sliding down. It foes stip but too low for confort. The other one slides down only half way. There are no leaks on the outside anywhere. So I read and bought some cylinder kit...
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    So I was on another thread and was asking about timing one person told me I might have engine issue to which I said no way. Well it turns out he was right this is a dual 120HP 2302 Trophy. Haven't taken it out since last year and I had the 2500 RMP discovered the plate was not adjusted right and...
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    1990 Trophy with twin Force 120HPs need help on timing and idle adjust

    I bought a book but it's a 92 model with the thunderbolt ignition mine is Prestolite. On the timing the thunderbolt shows cranking at 32 to get 30 degrees at running. I have no clue if mine is the same. I see 28 degrees all over the place so I am here to make sure. Also on adjusting idle on the...
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    Need advise on older Trophy boat stress cracks fixes and more

    So this boat is in really great shape in and out. Still has the dual Force 120s oldies running great but the deck has multiple stress cracks all around the edges. I want to fix that, I do believe the color is white don't know if it's a particular shade of it. So I already have some Total Boat...
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    20 foot 1997 Maxum 2050 bowrider propeller question

    I am using this boat offshore in SOCal to occasionally go to the Channel islands, yes I know it's a bowrider but it works great. I recently rebuilt the Alpha 1 gen 2 drive myself successfully. So the propeller on the boat is a 14.5x18 aluminum, not the original size which broke, one that I...
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