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    86 90HP Merc stalls out at end of trip

    Whenever I head in to the pier from a day out on the water, the engine stalls out and is hard to restart. it has a new fuel pump, wires, plugs, and has pretty much been gone over by 2 mechanics. The primer bulb goes soft, which is not the case when i'm out there running out on the water. Where...
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    86 90hp merc installation

    I installed a larger motor on my 17ft Mako. I'm looking at the manual and the pictures seem to have the two upper engine to transom bolts going opposite of the lower. Bolt to the inside nut to the outside on the upper, reverse on the lower two. It also mentions using marine sealant on the shank...
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    Need a clear picture and info

    I'm in the process of changing shift and throttle cables on a 86 90hp Merc inline six. The controls are a Merc remote commander 2000. I have the factory outboard manual, but the page that shows and identifies the cable connections to the motor is too dark to make out very well. I'm trying to...
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    Need a clear picture and info

    I'm in the process of changing shift and throttle cables on a 86 90hp Merc inline six. The controls are a Merc remote commander 2000. I have the factory outboard manual, but the page that shows and identifies the cable connections to the motor is too dark to make out very well. I'm trying to...
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    Replacing throttle/gear cables

    I'm needing to replace the control cables on an 86 90HP inline six Merc with a mid eighties control box. As I have never done this before, and would like to retain the linkage adjustments, is there any advice out there to make this an easy transition. The PVC tube that runs from center console...
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    Trim and Tilt Motor Wire

    The three wire bundle that comes off the trim motor is weathered and cracked, what is the recommended method to reseal it? Thanks in advance.....<br />Tony
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    1986 90 hp Trim and Tilt

    I have a t&t unit with a very rusty trim pump motor.<br />I have the "round motor" does anyone have a part number and good source to buy a motor?<br />Thanks in advance<br />Tony
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    Is there a quick and dirty cable adjustment

    My neighbor and I swapped out a newer (1996)50hp Merc for a 1986 90hp Merc. I kept the same controls and everything works except for one little problem.In neutral the prop spins, and although I haven't decided to reach out and touch it, it spins with enough authority to assume that it is...
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    Mercury Control wiring dilemma

    I swapped out a 96 50hp merc, for a 86 90hp Merc. I left the newer controls on the boat. The harness connects right up, but I have four wires that come off the harness that I do not know where they go. I'm sure that they are mostly trim and tilt, but I need to be sure. The wire colors are as...
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    Mercury Control wiring dilemma

    I swapped out a 96 50hp merc, for a 86 90hp Merc. I left the newer controls on the boat. The harness connects right up, but I have four wires that come off the harness that I do not know where they go. I'm sure that they are mostly trim and tilt, but I need to be sure. The wire colors are as...
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    What year is my Mercury?

    I have recently come to own a 90hp 6 cylinder Mercury outboard. The s/n is A936225, can someone please tell me what year this engine is? Thanks in advance....<br />Tony
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    1996 50hp merc replaced by 90hp 1987 merc

    I just swapped out a late model larger hp engine on my boat. I kept the controls from the newer setup so that I could keep it as simple as possible. The harness plugs match, and I know where the large guage positive and ground wires go,but I have concerns about the four other wires that I see...
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