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    Merc 454 Inboard (not I/O) water pump maintenance questions

    1979 Sea Ray SRV 300 with twin 454s, straight shafts. new to inboards...I have had I/Os and outboards all my life and know the maintenance schedule for the impellers. I don’t know anything about inboards! As I understand, it’s a pulley driven water pump that’s connected to a sea ****, by a hose...
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    455 Merc stalling out

    I have a 1979 searay with twin inboards (not I/Os). I was taking my normal 20 minute trek to the lake that I do every weekend. It is at Idel and I idel at 750 all day long. This time, about ten minutes into the trip, my port engine started fluttering down to 500 rpm and after about 5 minutes, it...
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    Lost Thrust in one of my Merc 260s

    i have twin 260s and when I went out the other day, one of them was Reving but not really pushing. It was at about 4000 RPM and nothing. Checked the props and no debris. Took prop off and had it looked at by my prop guy but no spun hub. Blades seemed fine with no imperfections. What is my next...
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    Merc 470 Should I Buy? Thoughts and common issues with this motor?

    I know the common consensus is that this is the worst Mercruiser they made; but is it all that bad? I have a line on a 1984 Sea Ray Sundancer with twin 470's. The boat is in overall great condition and a fair price. It is the style boat I wand but am concerned about the motors. Not that the ones...
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    New mobile iBoats site

    Sorry for the off topic, but does anyone else have a difficult time navigating the new mobile site? It takes me about an hour just to find the Starcraft thread. Am I doing something wrong? Is there anyone else having issues with it? Can we tell anyone? I don't use a computer anymore and almost...
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    2003 50hp Yamaha on a 1974 16ft Starcraft SS pitch recomendation

    Hello all, My question is in regards to what pitch i should have and what speed should I expect from this motor. Here are my stats: -Rev limit hit of 5500 rpm -Speed topped out at 29 mph -Current Pitch ~12?... I am not 100% for sure because I did not see the typical...
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    03 4 stroke 50hp cold start question

    I am about to buy a 2003, possibly 2004, 4 stroke Yamaha 50 hp electric start. The guy says it is hard starting when cold. I looked this up and found a few things online all with conflicting opinions. Are these engines hard to start when cold? I hear they do not have a traditional choke, how...
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    Idle air adjustment screw location 1983 Evinrude 75

    Title says it all, where is my idle adjustment screw on a 1983 75hp Evinrude.
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    Charging issue on an 1983 Evinrude 75hp

    I just replaced the rectifier as it was not charging my battery and not sending a signal to my tach. However, my battery is still not charging. Tach works fine. Rectifier still works as I have already checked it with my multi meter. First - what can I do to check and see if my motor is...
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    In line fuse/breaker for my electrical

    I need to install an inline breaker from my battery to my bus/distribution block. I bow and stern lights, fish finder and bilge hooked up, I may be adding a radio but that is further down the road. Currently it is a single battery and all wires are run directly to the battery. My plan is to run...
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    1983 75hp Link and Sync Step-by-Step?

    I know this is floating around here somewhere and I apologize for starting a new post. Links to old posts work fine, I just cannot find it. I have a 1983 Evinrude 75hp that I beleive needs a Link and Sync. Specifically, I think the Idle and WOT screws are off and also the cam. I do believe the...
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    Transom cap no longer fits

    After rebuilding my transom, my transom cap no longer fits. Looking for ideas to cap it on the cheap.
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    5.7 L 260 winterization

    I'm an outboard guy. First time winterizing a Mercruiser. It's an unknown year but I assume in the 90s, 5.7L 260 with an alpha 1, Gen 1 outdrive. What needs to be done to winterize? I know there is probably another post about this so a link to that post would he sufficient. Thanks!
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    B100 year?

    Just picked up an older b100 not sure of the year and want to confirm the HP. The tag says b100-1002673. It is a 4 stroke.
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    Was the 78' 70 hp J/E a hydro or mechanical shift

    The title says it all is the 1978 johnson seahorse 70hp a hydro shift or fully mechanical?
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    Odd starting issue 1997 yamaha 760

    When starting my 97 yamaha 760, it will crank just fine but when the cylinder fires and does not start right away (cold starts) it refuses to crank again. After it fires and i hit the start button a second time, I get absolutely nothing, not even a click. It is as if the battery is disconnected...
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    RPM at WOT on a 1979 Evinrude 115?

    What should my RPM's be at WOT on my 1979 115 Evonrude? I am reading 4800-5000.
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    trim motor replaced and still not working

    I just replaced my trim motor and my down is still not working right. I got everything hooked back up but when I hit the down control, the motor makes a ratchet like noise and still does not go down. It goes up without a problem. Note, I was not able to remove the fill screw to top off the...
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    trim motor replacement on a 1979 115hp

    Hi all, I have bought a new trim motor for my 79 115hp evinrude. It seems simple enough but that is where I always am wrong. Three screws and I'm done...right? Well that's about all I know of when replacing this. Few things to note 1- the motor is still on the boat but can be removed "easily"...
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    what fuel tank should I buy 83 17ft mako

    I have a 1983 17ft mako and the tank is now leaking. I have never used the inboard tank as I was afraid of it...good choice. I am planning to pull the CC and remove the old tank. What tank should I replace it with? Either iBoats part numbers or dimensions would be great. Also, Anything I should...
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