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    75hp 1989 Mariner

    Just installed impeller kit ( 18-3214 ), kit had 2 medium size O-rings & 1 small O-ring. Where do they go, the impeller I took off had none. Another question, I put it in forward gear when I drop the lower unit, now it seems it's in forward in netural. Now it's peeing good but leaking water...
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    Mariner 75 Oil Injected Dead In The Water

    Pontoon died going down lake, was running fine and just died, no missing or anything. NO spark. Unhooked fuel line and cranked engine and fuel was pumping. What to check next ?
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    75HP oil injected 3 cylinder Mariner fuel pump rebuild kit

    I bought a fuel pump kit for my '89 mariner 75 oil injected. The new diaphram ( Sierra 18-7818-1 ) had 2 holes that the old one did not have, I thought it was maybe an improved design, but when I put it on it flooded the no 3 cylinder. My serial no is OB345429. The part they sent is what the...
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    Plug Wires

    I have a '89 75HP Mariner that did not want to start when I went to put it on the trailer after being on the lake. I thought it was flooded ( had just switched tanks ) or the plugs were fouled, so when I got home I pull a plug to check and then noticed the wires were looking a little rough. I...
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    Table Top

    I've got a painted plywood table top that has padding around the edge that matches the seats. I can't get the paddling clean and it looks like Hell ( only part of the pontoon that looks crappy ). I'm thinking about replacing it with Marble/Kitchen Counter Top ( not covered pressboad ). Has...
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    Pontoon Name

    What is the name of your Pontoon ? "SOUTHERN EXPOSURE" is mine.
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    Winterizing

    Hey, I'm new to outboard motors. I have a '88/89 75HP Mariner Oil Injected that I need to winterize. I live in TN. I topped off the fuel tank and added Sta-bil, ran the motor and ran the fogging oil, ran a couple gallons of Marine Anti-freeze. Where is the drain for the block? What else do I...
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    75 mariner starting woes !

    Need some help on where to start on a '89 Mariner 75HP Oil Injected starting problems. I replaced the fuel connection to the engine because it would not stay connected & the engine would quit, then I would push it back in and it would run fine. When I replaced it I had a leak comimg from the...
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    Injection is nice.......but i would rather be blown

    I bought an '89 75hp oil injected Mariner on a pontoon from a local boat dealer. He told me to still add about a half pint f oil per 6 gal of gas. Does that mean the oil injection is not working as it should, should I be cocerned? I have only run 2 tanks of gas & the oil tank hasn't gone down...
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    Fuel economy of a Blown Big Block

    Why does my 24ft pontoon with a 75 Mariner get such terrible mileage? Dealer I bought it from said the carbs had been rebuilt. Anything I can do to improve the mileage, or is this normal for a boat this size? Thanx
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    '88 mariner 75

    How hard is it to replace a tilt motor? I figured the solenoids were bad because when you hit the button it just clicks. The dealer said my motor is bad, more than likely. Can you fix a tilt motor? Thanx
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    Trim relay part no.

    Anybody have a part no. for the trim relay on a '88 75hp oil injected Mariner? Can relay for auto work? I'm new to outboards & this forum, just bought a 24 ft pontoon. Thanx for the help. Terry Clark in 10EC.
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