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    Changing lower unit oil

    I went to change the lower unit oil today and can not find the screw/plug to drain it out. I checked the manual I have and it is just not there. I spent what has to be a good 15 min going over and over it but nope not there. Motor is a 1977 Mercury 850. I do see a flush screw and another one...
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    Brand new cover leaks bad

    I bought a new cover in late fall on clearance and got a great deal on it. So I put it on this spring and last night was the first real rainfall. Wow does it leak, water did pool too but that is because I forgot the pole.. It did leak though where the cover was tight too which makes me think I...
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    Marine gear oil vs car oil

    I was talking to someone and they said that if I found the right car oil that the only difference would be a certain additive in the marine gear oil/lube. Is this correct and would anyone know the type of oil I would need to buy?
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    Help deciding on new prop

    So my old prop got damaged when pulling the boat out this spring and I need to replace it. I will be keeping the old one as a spare as it is not too bad. Currently it is a 13.25" by 17 I am thinking I would like to go to a 19 pitch but am not sure. The motor is a 1977 mercury 550 and I had it as...
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    Power trim not working

    My power trim on my 1977 Mercury 850 is not working right. It 'falls' down slowly while on land until it is vertical and also when on the water under way it tends to not stay where it is put. This would not be a worry if it was safe for towing and driving it but I am not so sure. I do have a...
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    Bilge pump

    So my boat does not have a bilge pump in it (it is a 1977) so I am using one I had around from another boat. My question is do I use a thru hull fitting on the transom and pump it out that way or is there a better way of doing it? I have ordered a plastic fitting and am hoping to use that if it...
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