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  1. S

    1994 125hp ELPTO - weird issue

    Finally getting this dialed in. All runs ok except between 2200 and 3500 RPM or so. Motor bucks on the transom. Almost seems like a misfire with the engine bucking on the transom. However, push throttle past that point up to around 4000 and jumps right on plane. WOT is ~4700, which is because...
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    ‘94 125hp no fire

    Serial number decal is gone, and I'm not sure where the plug is that would have it. It's a stator & switch box setup as seen here: https://www.marineengine.com/parts/mercury-outboard-parts/125-4-cyl/0d283222-thru-0g760299-usa/electrical-components-usa-0g437999-bel-9926999-and-below Stator is a...
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    ‘94 125hp no fire

    update - eliminated coils by swapping 3 & 4 with 1 & 2. Coils fire fine and cylinders 3 & 4 remain without spark Please correct me if I'm wrong, but the problem should now be confined to switch box and/or the new stator. ignore issue with primer/enricher.
  4. S

    ‘94 125hp no fire

    Had this to a mechanic due to not running over 3800-4000, weak spark, replaced stator. Dropped boat and couldn’t get over 2400rpm. Long time reputable mechanic…made what I believe to be a simple mistake and left the ground loose on coils 3&4. Can a bad/loose ground smoke a coil??? Odds of it...
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    Gradual loss of power

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    Gradual loss of power

    1994 115 inline 4 (2+2) Couldnt break 4k RPMS, I had raised the engine WAY up and swapped to a 4 blade, I figured I was grabbing too much air initially. Dropped it back down to eliminate this. I now believe all of this is irrelevant. To verify, I can put the old prop back on and run it, but see...
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    1994 125 hp 2+2 hard shifting

    This is NOT the cable. with cables disconnected it’s nearly impossible to shift by hand while spinning the prop. Specifically from fwd down to neutral and neutral to reverse neutral to fwd is great reverse to neutral is not perfect but acceptable With cables connected, I feel like I’m...
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    1994 merc 125 - no Spark

    I am not sure which two cylinders fire for idle (its a 2+2 motor), but appears I have no spark on all 4. I am assuming that I have a wiring issue somewhere and here is why. Previously had a 1985 70hp evinrude, just swapped to this motor, and we ran my buddies boat the day before he pulled this...
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    Binnacle mounting hole size

    Just swapped from my 85 evinrude 70 to a '94 merc 125 The old evinrude was a self contained binnacle/controls/keyswitch side mount deal. I have redone my console so its brand new. I have no idea what the cutout size is on the top mount binnacle. Any help would be appreciated. I'm sure I can...
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    1985 70hp evinrude

    If no adjustments are necessary then I have a couple questions 1) why am I at 2000 rpm in neutral on a flushette and ~1500 in the water. 2) why does throttle not fully open the carburetor butterflies? I understand how the linkage works. That video was me attempting to find the issue before I...
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    1985 70hp evinrude

    I’m thinking this is a simple worn throttle cable issue but would like confirmation from those who actually know for a fact. idle(no load) is a little high at 1200, (in gear about 900) but functions just fine,. In/out of gear shift nicely and properly. WOT does NOT open the carb butterflies...
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    1985 70 evinrude

    In this case I believe the model to be irrelevant. If it is necessary, let me know. Friday ran up the river about 15 miles, towed a jet ski back to their boat after he rolled it over and filled the thing with water, hung out at a local spot for a bit and then ran back to the trailer. No issue...
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    WIring for tach

    I have a tach installed on the boat. Why it was never wired in, I have no clue. Images attached, it's an 8pin connector, and I have no idea what connector(s) I need to make it functional. 1985 Evinrude 70hp with the standard OMC control box throttle. trying to get pics to upload...not sure if...
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    Verify my thought process

    New to me boat. Knocked a significant portion off price as we couldn't originally get the motor on plane. Owner was dumbfounded it wouldnt run after sitting for 2+ years while he had back surgeries. He cant run a vessel anymore. So I got a decent deal. Would like to get this running however...
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