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    How to tell what transducer you have (Hook 5)

    I have a Hook 5 on my boat and am trying to find out what transducer I have but can't read the letters on the cable, they're too worn off. Is there another way to tell what transducer you have? All I've found is to read it off the cable. Thanks for any help.
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    Need help with delayed power to trolling motor, Nav lights.

    -- 1980's Sea Nymph "Fishing Machine" 16'-6" aluminum boat I used to have 2 batteries, one up front for the trolling motor and one in back for start/bilge/aerator/navigation pole + front red/green light. I upgraded my 25hp Merc to a 50hp Yamaha with an alternator and went with 1 Optima Blue Top...
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    Trailer driving lights do not work, what I've done so far...

    Left Turn, right turn, brake all work fine. Driving lights do not work. 1. I tried a different (new) trailer tail-light, same thing. 2. Cleaned the ground near hitch as well as the ground at the tail-light. (same thing) 3. Ran my own trailer wiring harness from the truck, grounded to trailer...
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    water tank for 25hp Mercury 2-stroke, not peeing

    I had the boat out about 3 months ago and it ran great. I took it off the boat and kept it in the garage over winter (not much of a winter). I have a garbage can that I turned into a water tank for the outboard, even put a drain near the bottom :) The motor currently sits on an outboard cart...
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    Help with trailer rear bearing replacement

    I think I screwed up installing the rear bearings. When you take the hub off and punch out the rear bearings, the seal comes out as well. When I put new bearings & rear seal in, I noticed there is free space between the rear bearings and the seal. Instead of installing the rear seal flush to...
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    Jack Plate question regarding short shaft vs. long (standard) shaft

    I have a 25hp short shaft Mercury that has been on this boat for years but it's actually about an inch short. The distance from top of transom to bottom center is about 18". A short shaft is slightly short, but a long shaft will probably be too long. I've been looking at getting a 50hp...
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    Jack Plate + new outboard, what comes first??

    I currently have a cut-down transom for a short shaft outboard (been that way for over 30 years) that I give up trying to find a 40-50 hp shortshaft outboard for. I want to put a jack plate on and buy a 50hp tiller outboard. My question is should I buy the outboard first so I am able to...
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    Standard shaft (20") on a short-shaft (15") transom?

    I've been looking forever for a good deal on a 50hp short shaft tiller outboard and have never bought one yet. I have a 25hp Mercury short shaft that just can't get the boat on plane and the max HP for the boat is 50hp. I saw a listing from Yamaha about a 50hp short shaft (new) for 3,800 and...
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    Frustrated with 25hp Merc on 16 1/2 ft aluminum Sea Nymph Fishing Machine

    This boat has been in the family since the 80's and I do remember the 25hp merc getting this boat on plane but it just isn't happening anymore. I just put a hydro-foil on it after being told it should do the trick but still no luck. With the motor shaft perpendicular to the water, the...
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    1980's 25 hp Mercury "0C196683" loss of power past half throttle

    I just got back from a week of fishing in Canada and had a very frustrating problem. One startup it would run fine, the next startup it would lose thrust past half throttle. It was pretty random. I would slowly start to increase the throttle (tiller) and sometimes it was fine, other times it...
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    Basic trim questions for a 25hp Mercury 0C196683 "short shaft"

    Boat: 1980's Sea Nymph Fishing Machine, 16' 6" V-hull I had to replace the transom a few years back (there's a thread here about it with pic's) and cut the new transom down to a short shaft height to match the old transom. The problem I'm having is I never get on plane, it runs decent but...
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    25hp Merc only starts w/starter fluid

    I made this comment in someone else's thread but need help/advice with this. My 25hp Merc will not start (pull start) no matter how many times I pull. One shot of starter fluid (yes I know it's not good to use) and it starts in one pull. I took it to the lake and same deal, once it started it...
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    Mercury 25hp 0C196683 water flow frustrations

    I started the motor up in the driveway with waterhose muffs on and after a few minutes I saw smoke coming out of the "tell-tale" hose. I shut the motor off and sure enough the hose was blocked up. After clearing the hose, I still can't get any water coming out of the tell-tale hose. I've read...
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    25hp Mercury no water flow out of the hose

    I was going to take the boat out last week and started it up in the driveway with a water hose attached. (I've done this multiple times in the past, no issues) I got the motor started and I was letting it heat up to see how the idle was and I noticed smoke coming out of the small hose in the...
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    Will this work? Electrical diagram for 17' aluminum

    Originally there was a six switch fuse panel that worked just fine but was so low and under the splashwell, I could never see what to turn on or off. So since I was rebuilding the transom, I cut the panel out and am relocating it PLUS I want to add individual toggle switches much higher with...
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    Galvanic Corrosion, specifically stainless steel and aluminum

    I have to say this turned out to be much more of a research task then I thought it would be. After reading countless posts via Google about galvanic corrosion, the key factor that always comes back to mind is the fact the two metals have to be in contact with each other. So when securing a...
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    Need advice for tiller to remote/console for a 25 hp Merc

    Hi there, I'm in the middle of replacing the transom on my Sea Nymph "Fishing Machine" and since the motor is off I'm wondering how difficult it would be to switch to a remote control/console? I found a conversion kit on ********** but I really couldn't tell if the kit would work for my motor...
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    '86 Sea Nymph Fishing Machine: Transom & Find leak (help!)

    This boat has been in the family (mostly my Dad) since he bought it new in '86. I was the last to get it, about 5 years ago and turned it into a project with my son. We tore out all the plywood and seats and reinstalled new exterior plywood, carpet and seats. The back-to-back seat that folds...
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    25hp Mercury choke knob came out, motor won't start

    We were on the water fishing (engine worked fine on the way out) and when we decided to head in, I pulled the chock knob out to choke it and the whole knob came out completely in my hand! The end of it had a grooved head that seemed like it would screw back onto/into something but I couldn't...
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    89' Mercury 25 HP (need advice)

    This motor was in storage for about a year and when I put it on the boat and tried to start it, no luck. I changed the plugs, no luck. Broke down the carb and found it had water in the carb. After cleaning it, the fuel filter and changing the gas tank, and blowing out the fuel line from tank...
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