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    General Q about power trim systems....

    I have to rebuild (I think) my trim system this winter, since my motor won't stay in the UP position anymore.... takes about 30mins to slowly come down. Anyway, my question is this: why are these systems under full hydraulic pressure when the motor is DOWN? Intuitively (it seems to me) when...
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    Motor won't stay up....advice needed please.

    Brought my motor all the way up yesterday and put the boat on the lift. Noticed after an hour or so the motor was all the way in the down position :mad: I thought it was a senior moment, and I returned the motor to the trailering position and lo and behold this morning she's all the way down...
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    Merc 90 fuel consumption Q

    20-yr old Merc tower of power 90 hp, but new to me this season. On a 30 min cruise with only occaisional WOT I use up about 10 litres of gas (about 2 1/2 gal) is this considered normal?
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    Where to get a new trim switch?

    Hi folks: This weekend my trim switch failed and I could only trim down. It's one of those toggle switches with a neutral OFF position. My control unit is a Quicksilver. Where can I get a new switch? http://i563.photobucket.com/albums/ss71/VE3CZV/Vanguard/switch.jpg...
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    My little 6hp Merc surges

    Hi foks: At WOT my little 1964 6hp Merc has begun this surging routine. It idles fine but when I open her up I get a cyclical RPM surging. (sorry I don't know the technical term) What causes this?
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    Opinions on handheld marine radios

    I am considering the Icom IC M36 or the Uniden MHS550. Anyone have experience with these? Any other models I should consider?
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    Weight: want to buy a lift but.....

    ...no clue what my boat and motor weigh. Any guesses?? Will a cantilever lift with a capacity of 2400 lbs be OK? Nearest highway weigh scale is too far away and anyway that would include the trailer, obviously. Vanguard 16' bowrider, Merc 3-cyl 90hp on the back:
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    Lower Unit full of 'glue'

    Drained my lower unit last weekend and what came out was about an ounce of carpenter's glue -- looked like that, anyway. :eek: That's it!! :eek: Had filled it earlier this summer with the proper oil..... What gives? Where do I start to look for the problem? (Merc 6hp, ca 1965)
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    Charging circuit- what should I see...

    Just learning the ins and outs of my 1987 90hp 3-cyl Merc. I gather my motor has a simple rectifier circuit which charges the battery? Full wave rectifiers don't exactly put out a steady dc voltage, at least not without a big capacitor, which I don't think I have. (?) So,question: if I were...
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    Snipped wires

    Anyone know what these two snipped wires might be for on my 1987 90hp 3-cyl merc? (S/N 0B1774...) One is a tan color and the other is black. My alarm system isn't working, and neither is my tach -- don't know if this is related or not.
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    What are these snipped wires for?

    Just getting to know this motor - 90hp Merc 1987 vintage (0B1744...S/N) Noticed these two wires have been cut; they seem to connect to a terminal stud. One is a tan color and the other is either black or very dark blue. Any clues what they're for, or used to be for...
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    Q re: tell-tale

    Where exactly in the cooling loop is the tell-tale? Is it truly located in such a way that it indicates the motor is receiving water, and that the water is circulating throughtout the motor (90hp 1987 vintage) to cool it? Or is it just an indication that the water pump is pulling water up? I...
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    Speedo question...

    My first boat (1987 bowrider), so I suppose I'm allowed a few newbie questions..... Although I haven't looked carefully under my instrument panel yet, my understanding is that my speedo is most likely driven by water pressure and fed with a tube. Question: where will I find the 'input' end of...
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    Gauges, etc

    Just picked up a 1987 vintage Merc 90, and ordered a manual for it. It is connected to this boat: My boat has a speedo and tach only (and the tach doesn't actually work, although when I turn the ignition on, the needle does jump a bit, so I guess there is power there) Anyway, I'd like to add...
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    Dilemma - what to do?

    This is my first boat purchase (other than my ancient 12', 6hp aluminum). A fellow locally here (Canada) is selling a 1984 vintage bowrider and the boat has seen better days -- has been "rebuilt", new floor, lots of fiberglass re-do, etc. Looks pretty from the outside, but judging by the wiring...
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    Newbie question: Anyone heard of Echo boats?

    I am shopping for a bowrider and will be looking at this on the weekend. I cannot find anything on the web about Echo. Is this make well-known? Thanks in advance.
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    Newbie Q on carb kits

    Sorry for the elementary question, but what exactly IS a "carb kit"? What's in it? What's different about the carbs on a boat motor that they require re-doing/re-building from time to time? How do I know when it's time? Finally, can one do this "kit" thing on one's own? Is it the kind of...
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    Newbie question on buying used boats

    Hello everyone: I have read as much as I can on the FAQ about what to look for, etc but have a few specific questions. I am looking at a 1980 Crestliner bowrider, 16' with a 1975 Merc 650. It will be my first boat and plan to use it for casual cruising in fresh water. I know it's a bit of a...
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    Newbie Q

    What the heck is a "muff"???
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    Newbie Q on cooling

    I have a 1965 vintage Merc 60 (6hp) and recently experienced a cooling failure and the motor overheated and stopped. Several times, actually. (My son was running it and didn?t know any better and the poor little thing was white hot) I replaced the impeller (which was found in several pieces...
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