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    1973 25 hp cooling

    25R73A - Is there any way to tell if it is pumping water? Doesn't seem to have tell-tale. I know most say just change the pump, but if ordering parts... what if it's the thermostat?
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    Prop drive pin stuck

    Anyone have any suggestions on how to remove a stuck drive pin? It appears to be a piece of a nail, rusted up really bad. It's so close to the thrust washer and I have tried sanding it down - penetrating oil etc. I don't know if I should apply any heat there as I've never been in a lower unit to...
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    TN28 compression testing

    I am looking for opinions on required compression for an old motor. The figures I got initially were 70-72 in both cylinders - decent, right. I've been struggling to get this old motor running for a while and had the carb apart several times finding debris in it. I've been through cleaning tank...
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    TN28 (mid) re-assembly

    Re: TN28 (mid) re-assembly I too have a pic or two before I disassembled and it was like that before, but it's good to compare to other's motors. I got my motor to run briefly (about 20 seconds) Friday. Looks like I have to go through carb cleaning again. It would run only at high speed, about...
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    TN28 (mid) re-assembly

    I am just about ready to fire this motor up and I noticed something that may be wrong. Is there supposed to be that much vertical play in the transom clamp assy and the drive tube. I just can't remember. I have seen Mindspin post/pics on his TN28 and it doesn't look like mine. I must have done...
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    Johnson TN28 Clutch Control

    Does anyone familiar with the TN27-28 know if I am on the right path to assembly of the clutch control? Also, where does the lock spring go (I missed buying this). If I figure out where it goes, I may have one. I am going to try to fab a handle (lever) because all I can find appears to be...
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    TN28 extra parts mid section

    Can anyone identify what and where these parts go? I am trying to revive a 52 TN28 and while trying to put the drive shaft back up the drive tube this is what blocked the path. So it had to have come loose when I removed the lower unit and shaft. It is about 1/4 inch larger than the shaft and...
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    TN28 carb service

    I'm trying to clean the carb of a TN28 and I understand I must remove the primer part/s. I'm not sure how it works. I've read something in a great article that describes extraction of the brass cylinder but there seems to be a brass shaft within that cylinder. How does that come out? Is it...
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    TN28 Float

    How does this float and pin look? Maybe coat it with dope and see if it floats? This carb is far different from anything I've known. Is there anything else I should look out for to avoid a train wreck?
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    Johnson TN28 coils

    I have scored a TN28 for next to nothing. It is missing the recoil but seems to have some compression. The coils are naturally trash. I have searched this site and someone recommended Sierra 18-5181 coils for this. When I looked into this motor, the coils have the plug wires attached and molded...
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    15hp long versus short shaft

    I wanted to see what you folks think. I have a long shaft 15hp on a 15" transom. When I apply full throttle, I can actually see and feel the transom bow. I have seen posts recommending a shim, but it seems the higher I raise the motor, the more leverage it will have over the transom and bow even...
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    RL78B carb parts

    I have cleaned/rebuilt the carb on my 15RL78B and successfully ran four times The only thing I can figure is varnish is coming off that cork float. Each time I cleaned it ran for as much as 40 minutes perfectly. But after it sets for a few days, it will run only at high RPM. It appears that...
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    tell tale 1578RLB

    I know there has been alot of discussion on the tell tale pee hole and with a search I never got a definitive answer. Started my motor up for the first time this year, ran for as much as 10 minutes with no stream from the pee hole. I know the pump is good as water comes from the exhaust. I've...
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    Off Topic-Tashasdaddy

    Tas, I see you're in Jacksonville. Have you (or anyone else in the area) ever made the trip to Glenn Silver Springs at Lake George? I stumbled upon that when my boat broke down on a fishing trip about 15 years ago. I was on the lake as a storm was approaching when my boat broke down and a fellow...
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    Berkly Jets

    This a great site for a wealth of knowledge, many categories, but none for Jet Drives. Anyone here have jet drives and a forum I may go to?
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    OMC tank

    I have had to clean the carb on my 78 15hp on the 3rd time now for various reasons so in trying to rule out all fuel supply problems I came across Craigs List, 2 OMC 3 gallon tanks. One was Plastic and one was steel. I primarily wanted the plastic tank and it turned out to be almost new...
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    Trolling Mtr wear?

    Do trolling motors wear out? Of course they do, but mine has low hours. I would be surprised if it had 50 hrs on it. It's a minnkota 36 lbs thrust. Thing is, I loaned it to a friend, he was doing "Jug fishing" in a pond/lake. I went just to watch (not into Jug Fishing). It was a very light 10'...
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    flywheel torque 15hp

    I have read much in the forum and trying to get this '78 Johnson 15 going good. It had some minor issues that I corrected and I had it running good for about an hour. It appears that the crank key has come out in the past as there are nicks and gouges in both the wheel and the key. I bought a...
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    9.9 fuel line to carb

    Need to replace fuel line from pump to carb. My local auto stores do not have 3/16 line. Is that something I have to get from Evinrude? Any suggestions?
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    '78 johnson 15

    I have a project outboard that I just got running. It looks bad and has seen some bad days. I ran it for maybe a minute and no water is coming out of the hole/tube in the lower cowl. I also have a '73 9.9 that is fine but noticed the difference in size of the water outlet tube. The '73 appears...
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