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    10 Horsepower - will it be worth it????

    Afternoon, I have a 1970 25 hp Johnson on a homebuilt flat bottom skiff, approximate weight 350-400 lbs. With me in it (225 lbs) I have seen a max of 20 mph. When I have anyone else in the boat, the best I see is 16 mph. I have the chance to get a 35 hp 1979 Johnson for a decent price and...
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    propeller change out - EXTREME NEWBIE Question - Need Help!

    I am switching the prop on my 1970 25 hp Johnson. If I tighten it to the point where it is snug, I am having problems getting the cotter pin in. If I back it off a half turn, I can get the pin in easily, but there is some play. Is that ok, or should it be snug? Hope that makes sense. Thanks...
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    1970 Johnson 25 hp - upgrade power?

    Evening, Tried the search but did not find what I was looking for, so here goes... I have a 1970 25 hp Johnson that runs really well, but I would like a little more power. I don't want to add any weight to the stern of my boat if not neccessary. I know some outboards can be converted to put...
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    Colorado Skiff

    Longtime lurker here...Finished up my first boat build at the end of the summer. Finally get 'er done and there's no water!:grumpy: Anyway, thought I'd show her off. 15' by 5'6" beam, stitch and glue. What do you think? cparkerc
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    Fuel line leaks - Stupid Rookie questions!

    I have a '70 25 hp Johnson with metal 6 gallon can. I am not getting fuel to the carbs using the bulb. I replaced the connector to the motor that was loose, but still nothing. Pumping the bulb does not do anything, am wondering if the bulb is the problem. What steps should i take to solve...
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    Cutting the Transom - HELP!

    I am about to cut down the transom on my first boat build. I'm mounting a 1970 Johnson 25 hp (short shaft tiller) and the water intake is right below the cavitation plate. Should i still line up the cavitation plate with the botton of the transom, or go a little lower to make sure i get water...
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    non skid surface - opinions needed here!

    I am close to finishing my first boat build. It is a flat bottom skiff, 15' by 5'6". Built stitch and glue style. I am thinking about using a non skid finish on the entire inside of the boat, including sides and benches. Any downsides to this? Thanks Carrington
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    prepping lower unit for painting

    I have almost finished refinishing the cowling on my 1970 25 hp Johnson, and want to tackle the rest of the motor next. How much do i need to take apart? More importantly how do i do it!:redface: Thanks Carrington
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    Prep for painting a outboard

    Morning, Have searched and found lots of information on this subject...thanks! Have a couple of specific questions i couldn't find the answer to. I have a '70 25 hp Johnson that i want to paint. 1) The cowling is some sort of plastic/composite. The PO painted it (over the dealer decals...
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    1970 Johnson - new owner questions!

    Evenin' Picked up a 1970 25 hp tiller Johnson. Model # 25RL70E that at some point had the lower unit changed to a short shaft. I have a couple of questions that i know you can answer! 1) I think the proper fuel mixture (from searching here) is 50:1. What oil would be the best option, and...
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    fitting trailer to boat - how to

    I am building a 15' flat bottom skiff that i will eventually need to get a trailer for. What is the method to figuring out what trailer would work. Up to now i have just looked for a bunk trailer that is listed for a 15' boat by the seller. I think i am limiting my scope by doing this...
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    '70 johnson 25- does this sound right??

    Mornin' Been working on buying an old Johnson tiller motor and when i checked it out it had water dripping out of the back of the motor and a weak pea stream out of the exaust. The owner had his mechanic neighbor (who has done all the tune up/repair work on the motor) take a look and here is...
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    steps of compression test

    Can anyone please direct me to some instructions to test compression on a outboard? I want to at least act like i know what i'm doing! Thanks, Carrington
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    '70 Johnson 25 - need help to avoid bad buy!

    Afternoon everyone, Looked at a '70 johnson 25 hp tiller, short shaft today. The guy ran it for me and it seemed to run smooth and the engine looked clean and in good shape, but noticed a couple of things that i need your help to see what i am seeing. I am a complete novice at boat motors...
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    buying 60's evinrude without tank test

    What things should i look for when buying an older outboard without getting to run it? It is a 60's evinrude 5 hp, and from the pictures, looks in good cosmetic shape. I do not know very much about outboards, but at the price i'm willing to take a chance at this one. I would like to know the...
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