Recent content by ddtacm

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    No Fuel To #4 Cylinder Merc 850

    Re: No Fuel To #4 Cylinder Merc 850 Finally got the outboard apart. All looks beautiful inside. Has to be a switchbox problem, all other electrical parts check out. I have this motor and a earlier model (belt driven distributer) I will be parting out both motors unless someone wants them. I...
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    No Fuel To #4 Cylinder Merc 850

    Hello , I am still working on the restoration of my 1977 Mercury 85 HP. New fuel pump, rebuilt carbs, new spark plug wires, I have new plugs, nice blue spark on all 4 cylinders , I noticed after trying to set the Idle it just wont Idle correctly. It is 135 PSI on all 4 cylinders. After checking...
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    Getting The Shaft !

    :confused:Hello All, Still working on my 1977 Mercury 850, I finished the water pump swap on the lower unit and lined up the water pump tube hitting the stop point on the shaft while putting lower unit back on and slightly turned flywheel clockwise while pushing up on the lower unit as I always...
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    1977 Mercury 850 serial # 4721552

    Hello All, I am new to this forum, living in lower Alabama near the coast I recently purchased a used boat and motor my 4th boat in 25 years. It is a 1977 bass boat with a 1977 Mercury 850. My quesion is can anyone tell me about the thermostat on this motor. All parts breakdown and manuals do...
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