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    1988 OMC 4.3 Oil Cooler Part Number

    Just boat the boat. Noticed water in power steering reservoir. Just going to drain and replace oil cooler as that seems to be the usual culprit for this. Anyone have the correct part number? Is it 983849? Thank you. Any tips or suggestions on this replacement? I don't know a whole lot about...
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    Engine Hatch Supports

    I recently purchase a Four Winns 200 Candia. The engine hatch is missing the gas shocks to hold it up. My question is I know these are designed to hold the hatch up, but when installed what is there to actually hold the hatch down? I apologize if this is a stupid question............
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    Mercury Power trim hydraulic hose part number

    Does anyone have the correct part number for the hydraulic hose for power trim for my mercury outboard. Of the two Hoses it's the one with the smaller size fitting. Or can someone help me find a marina in the outer. Banks area that can help me. Thanks you!! 1976 mercury 850.
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    Trim Tab Issue

    I apologize if this is not in the correct forum and I did try and search for the answer to no avail, but I do believe I read on how to trouble shoot this issue on here, so here goes. Both trim tabs will fully extend in the down position. After about 5 minutes the stbd tab will begin to retract...
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    Power Trim Wiring at the Helm

    I swapped motors on my Sidewinder and put a Mercury 850 on it that has power trim. The boat it came off of had the old style 3 button tilt/trim buttons. It is old and ugly and I was wondering if I could buy 2 rocker switches such as an on-off-on momentary rocker switch for up/down functions; and...
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    1976 Mercury 850 Flywheel nut size

    Serial Number 4425271. Going to replace trigger and stator, so need to remove flywheel. What is the correct socket size to remove this nut. I am going to have to go buy one that size. Thanks for the help.
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    Blue Band Mercury 850 Serial Number

    I have purchased a Mercury 850 blue band that needs some work. I know this has been asked several times; but I CAN NOT locate the serial number, anywhere.... I need some help. What am I missing? Thank you in advance.
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    7-Pin Mariner Wiring Diagram (at the dash)

    I have a mid 80's 40 HP Mariner with the 7-pin wire harness. I had to re-wire the boat at the dash due to severe corrosion. I am done and complete. However, the start button gives me nothing. I can jump it to start at the solenoid, so I know I have power back there. The kill switch (2 position...
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