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    Help with Engine ID / prop

    Hello all, I have a 'new to me' boat with a Yamaha 90 HP 2-stroke / 3-cylinder engine. I'm trying to find the model number of this motor. Stickers are gone. Maybe there's something hidden under the hood? What is usually on the mounting bracket area is long gone! Just want to be able to...
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    15 1/2' Center console - Water intrusion problem below floor.

    This is a last ditch effor before I give up...... again! I have a 15' center console boat with a 60HP Merc 4-stroke EFI motor. Had the boat for about 5 years now and I love it. That said, it has one problem I can't seem to resolve, that being that it takes on an inordinate amount of water...
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    2017 Yam ran fine then near stall, now runs and idles rough. WHY?

    I have a 2017 Yamaha 115 4-stroke with just about 115 hours on it. I purchased the boat/motor just over a year ago with 80 hours on it, and since purchase it's run 'normally'. 2 weeks ago I set out on a morning cruise on the Chesapeake Bay, and engine started and ran well for all of about 30...
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    Need some help finding a 'used' Mercarb or 'parts' for same.....

    I've been all over the internet looking for sites where I might find a 'used' Mercarb 2 barrel I can use for 'parts'.......or a place that sells parts for subject carb. I went to my local Merc dealer, only to find they lost their franchise as a result of a 'buy/sell' of the establishment. So...
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    '95 Merc 5.0L / 2-bbl Runs rich - how to adjust?

    I have a 'new to me' 24' boat with a Merc 5.0 - 2bbl / Gen II power set-up, and finally got it launched and run a bit. I've believe it runs a bit too rich overall. When 'up-fitting' for my spring launch, along with all the appropriate filters and oil changes, I also replaced all 8 spark...
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    Lowrance 'Hook 7' issues - losing depth signal at appx 20 to 25 mph

    I am not an expert with 'sonar' functions, but have some marginal level of experience over a few decades of use. In the past few years I've moved from prior Garmin units to now having all Lowrance units on my boats. By 'boats', I mean my 2 center console boats; both Key West made, one a 1520...
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    60 HP EFI Merc 4-stroke: WIERD noise????

    So this is about as hard to describe as anything I've ever encountered....period!! Been around 'engines' all my life, prior ASE Certified 'Master' Auto Tech (now retired).....and have some experience with boat motors, albeit not a great deal. So, with that, let me try to describe this noise...
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    Merc / Quicksilver Top Mount Binnacle Control breakdown needed

    I have a 2000 Key West 1520 with a 60 HP Merc 4-stroke (recently replaced from a 50 Merc 2-stroke). It still has the original controls on the center console. I believe the shift cable is starting to crap out, as the force of having to shift is ripping the control right off the console. In...
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    1996 Mercury 3 cylinder / 50 ELO Wiring Question

    I have the subject outboard motor on a small boat I recently purchased (15' Key West). The ignition switch for this boat was located directly across from the seat where my knees were constantly banging it....damaging both my knees and the switch! I finally got around to re-locating the switch...
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    1996 Merc 4 cyl 40 HP repeat overheat problem - Why?

    I have the subject engine on a small boat, and am now having what is I believe my 4th incident of engine overheat. What I find odd is that the engine will be fine and then just acts as if the water pump failed catastrophically....vs any kind of indication of a slow deterioration. I was out...
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    99 Johnson 115HP Starts, idles, but won't stay running at high RPM.

    1999 Johnson 115HP model J115SLEU. Purchased last year and ran fine for the remainder of last season. Has seen very limited use this year so far pending fall 'trolling' season. (20' MayCraft). Took a joy-ride some time in July and again in August....but been sitting on a lift pretty much unused...
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    Yamaha '01 8 hp 4 stroke 2 cyl - no start - HELP!!!

    I've got an '01 Yamaha 2 cylinder 8 hp 4-stroke that won't start. Recently purchased from a 'friend'.....and been itching to get it running to do some fishing. Well, got to it this past Friday.....and found the carb was REALLY screwed up!! LOTS of 'crud' in it from sitting. I'm pretty good...
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    1996 Mercury 4 Cylinder: No water from Pee hole even after new impeller

    I have 40 hp 4 Cylinder 1996 Merc on the back of my little 13 foot Blue Fin. This boat and motor have been amazing.....and I'd hate to see this be the beginning of the end for the little old Merc. The engine has been running fine......very reliable....and been given good maintenance. A week...
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    How do I pull a siezed Gimbal Bearing - OMC

    I need some help getting the gimbal bearing out of my OMC Cobra drive. The gimbal is seized in a straight position, and I can't turn the assembly to be able to remove the main housing of the gimbal, so I'm working thru the bellows. The outdrive is off, and without it's leverage, it's next to...
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    Process for removing a Volvo SP sterndrive needed

    I have a 1989 Excel 18 foot boat with a Volvo 2.3L engine and an SP sterndrive. I discovered the hard way that the main bellows had failed, and nearly sank as a result. I now need to remove that sterndrive unit in order to accommodate R&R of the main bellows. Can anyone please provide a...
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