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    Intermitent tinging in '73 Merc 20 hp, any need for concern?

    I have a '73 Mercury 20 hp with recoil start. I have it running pretty well now and decarbed the engine this afternoon using the Dunks Method I saw described here. I smoked out the neighborhood as I expected but I'm pleased with the results. It certainly seems to idle smoother. While I was...
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    Help ID these ports on '73 Mercury 20 hp

    Can any one tell me what these ports are on the back of my '73 Mercury outboard. As I was walking up to the boat this evening I saw a carpenter bee carrying a piece of cut up leaf up into one of the openings. I sprayed a tiny bit of OFF into the opening to dissuade the bee from coming back. I...
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    '85 Mercury 25hp XD opinions?

    I'm looking at buying an '85 Mercury 25hp XD motor for my old SeaNymph. It currently has a '73 Mercury 20hp which is getting less and less reliable. The '85 XD should fit my boat exactly using the same cables and comes with the controls. Before I commit I'd like to know if anyone has any useful...
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    20 hp mercury '73 idle, trim issue

    I have a '73 mercury model 200, 20 hp outboard on a '71 Sea Nymph 14' with console steering. When I have the motor set up with the trim pin in the second hole, the boat will plane but won't idle. With the trim pin in the first hole or without it at all the motor will idle but the boat just plows...
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