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    150 Mercury Oil Seal Leak

    I noticed a small patch of oil under my motor. I found a drip from a port behind the upper gear case oil screw. (Red Arrow). I drained the gear oil and there was about a 1/4 cup of clear water that drained out before the oil and then the oil had water in it also. The motor had only been run...
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    Water Pressure on 2002 150 Saltwater?

    I just installed a water pressure gauge on my 2002 Mercury 150 Saltwater motor. When running at about 4500-5000 RPM, the pressure is reading around 10 PSI. I'm not sure what the pressure gauge should read. I installed the gauge because of the low tell tale stream at start up and idle. The...
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    Need part link

    I am installing a water pressure gauge on my 2002 Merc 150 Saltwater motor. The motor has the grey 5/32" factory installed water pressure line. The line has the push connect with a red plug in the output side of the connect. I need a link for the piece that goes in the push connector to hose...
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    150 Merc Water Pressure Gauge

    I just bought a water pressure gauge. The gauge came with several adapters and the pitot tube. The motor has a factory water pressure tube installed with a quick connect on the end. However the tube in the motor is not the same diameter as the pitot tube. Do they make and adapter to go from...
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    Help Identifying a Few Parts on Motor

    Can anyone help me to identify some of these parts on my 2002 Mercury 150 HP Saltwater motor? I think I know what some are but they don't match up to what I see online when I search for the parts. EDIT- Sorry I thought the pictures would show in the post with my description. Each pick has what...
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    150 Saltwater Thermostats

    I have been reading up on all of the little tricks people have done to keep their motors up. One thing I keep seeing when it comes to the tell tale output and/or water pump, is to "gut" the thermostats. I understand the tell tale is down stream of the thermostats. I just replaced the entire...
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    No Water from Tell Tale at Idle

    I have a "new to me" 2002 Mercury 150 2 Stroke. The motor visually looks almost brand new. It hasn't been run in about 10-12 months. When I got the motor, I changed the water separator and fuel filter. I replaced the entire water pump and impeller. When I start the motor, I get no water...
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    How to test if water pump is working properly

    I have a 2001 Mercury 10 HP Saltwater Series outboard motor that is new to me. I was told by the previous owner that the boat/ motor haven't been in the water in about three years. The motor appears to be in very good shape. After changing the water separator filter, fuel filter, and primer...
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