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Recent content by dougd1

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    merc 9.9 4 stroke cooling

    When I use the clamshell on my engine, I get water spouts coming out of the lower unit when the hose is connected to the clamshell. I haven's specifically looked to see if there are three of them. When running the engine with the clamshell on, I get a steady stream of water coming out of the...
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    merc 9.9 4 stroke cooling

    Just checked the Mercury web site - there is a thermostat on my motor. Have not had any issues with it, although I have only had the motor for a couple of years.
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    merc 9.9 4 stroke cooling

    I have starting problems of my own with my 9.9 HP Mercury, so I am always using a clamshell on the lower unit. The clamshell is hooked up to garden hose, supplied with water from my house. Please clarify your comment about your discharge water stream becoming weaker. Is that because the motor...
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    Fuel Issues - 9.9 HP Mercury OB 4 stroke

    I have a 9.9 HP Mercury OB motor that I am having some fuel issues with. First of all, it is a tricky engine to start. It appears to be very easy to flood, and once flooded, it simply will not start. To start the engine, I use the squeeze bulb to pressurize the fuel line, open the tank vent...
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    merc 9.9 4 stroke cooling

    I have a Mercury 9.9 HP outboard, 2006 model. I don't think you are having cooling issues. All those holes you mention are likely vent holes to permit any trapped air to escape from the lower unit when operating the motor. When using a clamshell and hose, you are pressurizing the lower unit...
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