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    water in lower end

    Hey Guys,<br /><br />I was starting to winterize my boat and while draining the lower end oil I notice it has some water in it. I drained it all and refilled it with new oil. The question is Im in Canada and it will most certainly get below zero here so if there is still water in there it will...
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    yamaha controls wiring please help

    can anyone point me in the right direction to wire my 703 yamaha control to my 87 50hp yamaha....please respond.
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    Some wiring help please

    i know this is the mercury section but no one seems to want to hep in the yamaha section. Can anyone help me with yamaha wiring in here. Please respond.<br /><br />Thanks
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    wiring help please!!!!!

    I have a 703 control box with wires yellow/green/black/pink/double yellow coming out of it. The motor which is a 87 yamaha 50hp has three wires coming out of the ignition box (I think thats it) they are yellow with a red strip/greyish blue and green.<br /><br />Additionally i have a long jumper...
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    wiring diagram

    Anyone have a wiring diagram for a 703 control box that needs to hook to a 87 50hp yamaha. Thanks.
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    wiring diagrams

    I need a wiring diagram for a 87 yamaha 50hp 3 cyl. Im a bit confused with the control cable that runs from the controls back to the motor It has I think 5 connections on one end and only 3 on the other......I have it rigged right now so it starts and runs but the oil indicated LED stays on all...
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    Tilt for Yamaha 50hp

    I just bought a really nice 87 yamaha 50hp (no more mercs). It doesnt have power tilt though. The guy i bought it from told me that a the mecury models with the ram and moter and built together will bolt right in. He showed me and it looks like it very much will, though the one he had was...
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    Force on mercury tilt

    Any of you force guys know if you can hang a 89 force 50hp on a old double ram mercury tilt that once held a 73 mercury 500 50hp?<br /><br />please say yes
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    50hp force on mercury tilt?

    Any of you guys know if its possible to mount a 89 force 50hp on a old double ram mercury tilt that once (still does for a couple more days) held a 73 mercury 500 50hp?<br /><br />Please say yes it will bolt right on.
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    Price of a 79 mercury 50hp

    Anyone have a idea of what a 79 merc 50hp is worth in running condition. So dudes trying to sell me one for $800CAD. Seems a little much to me.<br /><br />No controls no tilt/trim
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    Merc 500 50hp Powerhead

    I have a 78 50hp (i think)4 cyl blueband. It has some internal problems....Found a powerhead of unknown year for sale. What is the different era's for this engine.....Basically what year span is compatible with this engine. E.g a a 71 - 83 powerheads are all the same. Can anyone answer this?
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    What year is this beast?

    Mercury 50hp made in canada. SN 7018511. And it still doesnt run good.
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    Not firing one cylinder

    Help.... The number four cylinder on my merc 50hp 500 is not firing. How do I find the problem part? Where do I start?
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    ignition problem?

    My 79 Merc 50HP has one plug thats much cleaner than the other three. After running for awhile I pulled them to take a look and the bottom one is supper clean compared to the other. Just redid the carbs and fuel lines, boat is much better than before. But does this mean I may only be running...
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    50hp fuel not reaching top crab with Prime

    I just replaced my internal fuel line and primed the engine to check for leaks. Since there is clear lines on the ouput of the pump I can see fuel getting to the bottom carb, it fills and the bulb is hard. No fuel gets to the top carb. Is this the reason it has no power? It runs ok but I...
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    Priming Problem

    When priming should fuel reach both top and bottom carb. I can only see fuel visiably getting the bottom carb then the bulb is hard. This engine has no power so could it be running on 2 cyls (its a 4). Or would this problem fix itself when started?<br /><br />I appreciate any help I can get
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    fuel not reaching top carb

    my 79 merc 50 when priming fuel does not reach the top carb. I can visiably see it through the hose and only the bottom carb gets fuel. Is this a problem? Is this an air block or something? Does it fix itself once it starts?
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    purpose of bleed hoses?

    I have a 50hp merc and from what Im told the 3 small hoses jumpering around the powerhead are bleed hoses. One was severed. Motor has no top end and really no power. Could this of been the problem?
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    What are the hoses on the powerhead

    my merc 50 has three hoses jumpering around the powerhead. One was busted could this be the reason for bad performance?
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    powerhead hoses

    Could anyone tell me what the three hoses jumpering around the powerhead are on a 50hp merc. I found that one was broke. Boat performs fairly bad, so Im wondering if this was the cause.<br /><br />Thanks
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