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    Water pressure

    I just had the water pump replaced on my 150hp Mercury. <br /><br />The stream of water coming out the top of the engine is pretty weak. But, I'm turning pretty high pressure numbers while running the boat. Idle is around 2lbs though. <br /><br />The last owner said that he'd bipassed...
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    plug wires-

    Another question-<br /><br />Spark plug wires for a V6 Mercury Outboard.<br />Where can I find them? How much do they cost.<br />The mercury dealer said he could only special order them, individually for $18 a wire. Does this sound right? $120 for a set of six short wires?
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    Should I see an air bubble in the fuel filter?

    This fuel system problem has been defeating me for a month now. I have what looks to be a pre-89 Mercury outboard, with a 2.0 liter V-6 motor.<br /><br />I have replaced all of the fuel lines from the tanks to the carb.<br />I have rebuilt the fuel pump.<br />I have installed new filters.<br...
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    See you in Court. Fraudulent Engine sale.

    I bought a boat that was supposed to have a 1996 Mercury Outboard with 200hp.<br /><br />In now appears to be a 1984-89 Mercury 150hp.<br /><br />How much do I sue the guy for, in an attempt to recover the difference in value between the two engines.
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    See you in Court. Fraudulent Engine sale.

    I bought a boat that was supposed to have a 1996 Mercury Outboard with 200hp.<br /><br />In now appears to be a 1984-89 Mercury 150hp.<br /><br />How much do I sue the guy for, in an attempt to recover the difference in value between the two engines.
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    water temperature sending unit.

    This nightmare of a boat I recently purchased has a teleflex water temperature gauge in the dash. When it was hooked up to a Mercury sending unit the needle spiked, rendering it worthless.<br /><br />I purchased a teleflex sending unit, and I can not figure out how to hook it up. Specifically...
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    What kind of BATTERY

    I need to replace the battery on my boat. It's needs to power a 200hp Mercury Outboard. What brands do you recommend? And more important, how many cranking amps do I want? How many do I need?<br /><br />Thanks.
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    Getting into the lower unit, what'll I need?

    My goal is to replace my impellor, all related gaskets, and reconnect my speedometer.<br /><br />Water pressure is very low, and the boat likely sat for six months prior to my purchase of it.<br /><br />The speedometer itself works, but the hose is not connected to anything. Prior to the engine...
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    Trim Motor won't turn off

    I was out on the water yesterday and as soon as I killed my engine I heard my trim motor winding. I click the button a couple times and it stopped. I quickly move to restart my battery and it <br />struggles to find the power. <br /><br />Ones I reach the marina, it kicks on again, and won't...
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    I give up

    I purchased an 18' Sea Ray with a 200 Mercury outboard. There are two tanks, one up in the bow, one in the rear. Boat ran fine on the back tank, wouldn't run at all on the front.<br /><br />I drained the front tank. Built a valve to switch tanks using home depot purchased brass fitting and...
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    Plumbing on the water seperator

    This will likely be among the dumbest questions posted- however, I'm at my wits end, searching for any reason why my outboard is running like crap.<br /><br />The fuel seperator has four ports, 2 on each side.<br />Each pair of ports has an arrow going in, and an arrow pointed out.<br /><br...
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    2 Stroke Synthetic Oil

    Is it worth the cost?<br />Does it improve engine performance?<br />Is a synthetic blend just as good?
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    clean the plastic fuel tank

    I'm not confident that my front tank is clean, so I think I'm going to drain the tank, remove the tank, and hopefully clean it. This way I'll be 100% confident that there is no chance of contamination from this tank. When I bought the bought it was full of some funky gas.<br /><br />It's a 25...
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    What did I buy? Identify and distinguish Mercury Engines

    Caught up in the moment, I purchased a boat without doing the proper research.<br /><br />The boat was sold to me as having a 200hp Mercury outboard motor on the back. I'm pretty confident that it's really more along the lines of an 1984 with 150hp.<br /><br />1. Are there any obvious...
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