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    Jack Plate question regarding short shaft vs. long (standard) shaft

    That's the new transom. It was basically mulch and I installed two layers of marine grade plywood glued and screwed. The pattern of the transom is probably 30 years old and I just added the aluminum strip along the top. The transom is solid. I really don't want to do it again, it was a pain...
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    Jack Plate question regarding short shaft vs. long (standard) shaft

    Am I making sense here? I guess the question is should I go short shaft or standard shaft when I upgrade to a 50hp tiller?
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    Jack Plate question regarding short shaft vs. long (standard) shaft

    The transom was already cut down when I got the boat and you can't go any lower and still mount to the transom. (see attached) I want to switch to a 50hp tiller which is harder to find and I will still have the same problem. If I go with a standard shaft with a jack plate, then I can mount...
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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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    Does anyone have any info or where i can find history/details on my boat??

    There's usually plate located on the inside of the boat somewhere that gives information like max load, max HP, manufacturer, etc. I have an '83 Sea Nymph and it is located back near the transom.
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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

    The "O-ring" in the water pump kit is the one that slides all the way down the drive shaft and sits on top of the water pump. The groove in the drive shaft is clearly for a circular o-ring, where as the one that slides down the shaft is not. It's more of a sleeve, if you know what I mean. I'll...
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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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    '86 Sea Nymph Fishing Machine: Transom & Find leak (help!)

    Re: '86 Sea Nymph Fishing Machine: Transom & Find leak (help!) I'm back and have removed the transom (what was left of it), see pic. It was basically a mulch transom sandwiched between two pieces of aluminum :) I'm getting marine grade plywood today and will try to make a template out of...
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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!)

    Re: '86 Sea Nymph Fishing Machine: Transom & Find leak (help!) Well I'm at a loss. I raised the front of the trailer/boat as high as it would go and filled the back of the boat up with water until the water level was over the first set of motor mount bolts. I had a slow drip from the boat...
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    '86 Sea Nymph Fishing Machine: Transom & Find leak (help!)

    Re: '86 Sea Nymph Fishing Machine: Transom & Find leak (help!) The bolts are actually fine, the dark circles are from previous larger washers. The bilge is just sitting in there, no hole in the boat. I will check the seals on these. I'm adding one more pic to show the outside of the...
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