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    Shock shaft seal and O ring 125 Force

    I'm looking for the seal and O ring that go in the top end cap on the lift cylinder on a 1988 Force 125. It's the cap that has the four holes in it that you take out with a pin wrench. I've found the bigger rings that go on the ram piston and the outside of the top cap. I'm still looking for...
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    Water tube? Force 125

    What are these things? They were on top of the leg when I pulled the powerhead off of my 125 hp force . They look like they connect the water tube to the powerhead. They're melted and were once round. I think I only need one. Looks like previous owner lost one in there.
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    Engine cover question, swapping a Force 150 hp for a Force 125 hp

    I'm hoping to pull the powerhead off my 125 HP Force single-exhaust outboard and install a 150 HP power head. I've already determined (with help from you guys!) that the 150 HP matches the lower unit, etc. But the 150 HP is taller, and didn't come with an engine cover. My existing 125 HP is...
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    Force 150 vs. Force 125

    I've got a winch rigged up in the garage that I used to lift the 125 hp out of my truck. But I neglected to mention my 125 hp is a single exhaust, about 1989, I think. I'm uploading pics of the 150. The bolt patterns look right, but now I'm wondering about the exhaust. BTW, those silver...
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    Force 150 vs. Force 125

    So I bought a Force 125 and got a "bonus" Force 150 powerhead in the deal. I'd rather swap the powerheads, since my hull is rated for 150 hp, and the 125 powerhead has those warped, leaky plastic fuel drain covers you can't buy anymore. But two things: 1) I learned on this website that the...
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    Brackets and Force outboards

    So, I'm kinda looking at a 1987 Proline Walkaround. It's got a bracket with a 115 horse Merc outboard. Sounds a little underpowered for a 24 footer. I have a Force 150 I could put on there, or even two Force 125's. Anybody know how I can determine what weight and HP that bracket will hold?
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    Why I gots 2 different cylinder drain reed plate covers?

    I picked up a 125 HP Force, 1989, I bought it knowing it was leaking from what I now know to be the cylinder drain cover. The guy said he put a homemade gasket in there, and cracked the cover. "No problem," says I, "I gotsa parts motor at home!" Well, as it turns out my parts motor (a 1987)...
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    Leaks a little fuel... what is this thing, and how do I remove it? 125 HP Force, 1988

    So, I bought a 2nd 125 HP Force Motor. Compression is very good.. just over 120 on all four cyl. (Guy just had it rebuilt.) #2 spark not firing, but that is obviously a broken connector on the #2 trigger wire. But .... there are two sort of dog-boned shaped plates (photo below) behind the...
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    Refilling trim pump, 125 HP

    I am replacing the trim pump on a 1987 125 HP outboard, and I was wondering what the procedure is for refilling/bleeding, etc. I have an OEM manual, but for some reason, it only lists the procedure for the L-drive.
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    So THAT'S why you don't wanna disassemble the trim pump valve body!

    I made the mistake of disassembling my trim pump assembly. Just had a brain fart reading the instructions, and didn't realize the "usual suspects" (the O-rings) were in those round ports fore and aft. So, anyway, this post from years ago (see the link) looks like it's gonna save my bacon, 'cuz...
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    What's involved in pairing up two 125 hp Force outboards?

    I've got one 1987 Force 125 on my boat, and an identical "parts motor" I could get going again for about $400 or less. I'm just toying with the idea of getting a 21-24 foot "needs engine" boat off craigslist and converting it to twin outboards. Anybody have any experience doing that? I'm...
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    Can I put a 150 hp Force motor on a 125 hp Force mid-section and lower unit?

    So I kinda got my eye on a 21 foot Wellcraft with a dead 150 Evinrude on it. My current boat is a 1987 Bayliner center console with a 1987 Force 125 hp. I could just swap the 125 Force over to the Wellcraft, but it would be a little underpowered, I think. So... I found a sweet deal on a...
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    Measuring stator voltage at high speed

    There was spark on #4 when I used an inline tester. (Tester image below.) But it lit up weak and orange, compared to the others which lit up brighter and more purple.
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    Measuring stator voltage at high speed

    And the award for most hillbilliest homemade DVA adapter goes too... (Hey, it saved me a trip to Radio Shack for a breadboard and work box.)
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    Measuring stator voltage at high speed

    Trying to diagnose an engine that runs OK in the back yard, but has ignition problems at higher RPM's. I'm reading the troubleshooting guide from CDI Electronics (see link below). It reads "HIGH SPEED MISS: 1. Using the CDI meter with the 511-9773 peak reading adapter, (or CD-77) and 511-9770...
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    Blue vs Black CDI boxes

    So, my 1987 Force 125 HP needs a CDI box replaced, My boxes are black, and a local guy has a Craigslist ad up selling some CDI boxes. He had some of the black ones (F653301-1) and some of the blue ones (F685301-2). He says the blue ones will work on a 1987 125 HP if you wire them right. Anybody...
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    Re-securing mat to inner hull wall, 1987 Bayliner Trophy

    Coupla worn places Coupla worn places The soft deck allowed the underside of the floor to rub against some of the flat surfaces underneath the floor and remove the fiberglass. And it was "crazed" (mutiple cracks in may directions) in one place. I plan to just lay a layer of mat over these...
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    Re-securing mat to inner hull wall, 1987 Bayliner Trophy

    Potholes Potholes I've got two "potholes" where there was a knot in the plywood on top of the flotation chambers. They look worse in the picture than they are. Just about the size of a golf ball and less that 1/2" deep. I've already chipped out the bad stuff and will re-fill with resin and...
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    Re-securing mat to inner hull wall, 1987 Bayliner Trophy

    I have a separate post up with questions about a floor restoration. While I have the floor off, I'm inspecting the interior structures. Not sure what to do with this part: There are rectangular boxes full of foam (I know that 'cause a little extruded from the factory) on each side, running...
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    Pressure-treated vs. marine plywood in a 1987 Bayliner floor restoration

    I am replacing the floor on my 1987 Bayliner 18.5' Trophy center console. The floor is out and all the interior hull components look good. I've looked at the prices for marine plywood and found it not only expensive but hard to find. A couple of DIY websites say that if you "glass" the...
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