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    raymarine autohelm sportpilot+ not working correctly

    I have a sportpilot+ that works fine with out GPS info. I have it hooked up to my Humminbird 595c GPS/Fishfinder. When I put the autopilot into NAV it doesn't seem to get the NEMA signal. (I'm 90% sure I have it wired correctly according to both manuals) The symtoms are; I point the boat at...
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    can prop hub slip and still sorts work?

    I have a 115hp merc and while trying to find the correct pitch prop I tried an old prop that came with the boat. While testing it the first time I gunned the motor it over revved and felt like ventilation. Slowed down and tried again and boat took off. Problem is that I got way more rpm than...
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    New canvas for old boat

    Trying to make a long story short. Been restoring a 1972 20' Fiber-Craft. Needs new canvas. I have a heavy duty sewing machine that will sew 4 layers of sunbrella. Bought a few years ago to restitch some canvas for another boat. They wanted $500 to restitch so I bought the machine for $300...
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    new hyd surge brake installation

    Yeserday I got 4 new hubs two of which have brakes in them. Also a hyd surge hitch for them and some hyd brake lines. I got these for free from a friend that dicided he was not going to use them. Wouldn't take anything for them. I don't know yet if they will fit my boat trailer axles. If...
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    1999 F50 water pump replacement

    I just replaced a water pump in my old 1979 merc inline 6 115hp. My son came over last night to help me put the lower unit back on. While we were talking he said "as long as your in the water pump replacement zone" why don't you replace the pump on the little boat. Thought about it and it...
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    how to increase miliage when towing

    Any tips out there to increase mpg when towing? Short of buying a new tow vehicle or smaller boat I mean. I have a 2003 Dodge Ram 1500 4 X 4 with a 5.7L and factory installed tow package. I get about 15/16 mpg empty but it goes to 8/10mpg towing my boat. About 3000lbs boat/motor/trailer. I...
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    1979 1/2 merc 115 water pump install tips

    When I removed my water pump (which was working) the impellor looked pretty good but the top of the bottom section of the pump below the SS plate under the impellor was melted. So, I'm glad I'm not wasting my time. Got my new water pump and ready to install. I have a couple of quesions. The...
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    Humminbird 595c MMC

    I have a 595c combo I bought used but works great. I am looking for a card that will give me better information. I have searched and read a lot but either can't find the card I need or don't understand what I'm reading. The book says I need "Navionics Gold Chart marine cartography and...
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    1979 merc 115hp water pump replacment?

    Hello again. I have the above motor I bought used. Don't know when the water pump might have been replaced for sure. PO says probably in 2007 when he had the stator and both switch boxes replaced. It actually is working fine right now but I would like to replace it before I find myself 15...
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    1972 20' Fiber-Craft resto

    Just almost finished this project. Wish I knew about this forum when I started, I would have taken pic's along the way and gotton much needed advicee here. Anyway I'm pretty proud of this resto. Started with nearly a bare hull. Worked my way up from new stringers to floor, to wiring...
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    Green Bay Walleye

    I'm thinking of trying some Green Bay walleye fishing but don't know where to start. I live about in the middle N and S. Near Oconto. I have I think most of the gear although it might be larger than needed. I salmon fish a lot. I have lots of rod holders and a merc prokicker so I think I...
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    How far down in pitch? 4 blade prop?

    I have a 20' 1972 fibercraft with a 1979 1/2 115hp inline 6 merc. I rebuilt the carbs, fuel pump all new fuel hoses, linc and sync (all with help on this site) and now the engine runs great. Boat was also restored this winter, new stringers, floor, transom, dash's, carpet, gauges, wiring...
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    want to know about mounting plate on merc 1979 115hp

    OK, I'm new, not to bright, and have only been posting a few days. I have a question. On my 1979 and 1/2 115hp 6cly inline merc(no distb) There is a plate of cast AL on the stbd side of the eng mounted to the block. Its pretty big, the coils, switchboxes and rectifier are mounted on it. It...
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    merc '79 115 carb rebuild

    I have a merc 115hp inline 6. It starts and idles OK but higher than that it stumbles and sometimes runs good and stumbles and runs good,,,,,, When I pump the fuel bulb it never gets "hard" just firm. If I keep pumping it I can get fuel to flow out of the carbs (at least two of them). The...
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    1979 115hp merc voltage to high

    just had this out first time Sat. voltage meter reads high, like pegged out. Whats my problem? I am worried about my electronics and batt. Thanks for any help.
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    1979 merc outboard trim

    Hello, This is my firsr post though I've been reading them for a while. There sure are a lot of knowegeble on here. I have a 1979 inline 6 (115hp) I want to get the trim wiring working properly. motor did not have trim when I bought it. So i found the whole shebang on ebay and purchased it...
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