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    Classic 50 water pump not getting water.

    I have this 45 hp Mariner that I mam trying to restore. It sat for a while and I couldn't get it to pump water with ears in the driveway. Ive had this boat a long time. I know how to use ears. When I looked at the impeller it was burned up like it had been run with no water. I git it all fixed...
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    2006 90 HPS ETEC no oil light and alarm

    The boat has had no problems for a long time. I run it a lot. The other day we got ready to leave a fishing spot and the no oil light illuminated in the tach indicator. I added some oil just in case but there was not a low oil light only the no oil. For some reason I ran the tilt all the way up...
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    Question about clasic 50 water pump seal

    The water pump housing on this motor has a big slot in the side. There is a seal that just doesn't seem like it could possibly close off this slot in the side of the housing. The copper tube fits down in this assembly. Am I supposed to try to make a water tight seal between the slotted housing...
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    1979 Johnson 70 or 75HP motor project

    Okay. The label on the trim unit is 70974R but the cowling has 75HP stamped on it. I don't know whether it is 70hp or 75. I have just gotten it as a project. It cranks and idles pretty good after I changed the fuel pump and gas lines. I also had to pull the flywheel and lube up the timing...
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    1979 75HP Johnson fuel issue

    I pump up the fuel line until it stops and the engine cranks fine. It seems to run until the gas in the bowls is used up and then tries to die. If I push the chokes in for about a half second (no longer) it runs good again for about 10 seconds. I can even throw it in gear and get a throttle. It...
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    1979 75 HP fuel question

    I am working on this engine. I have no experience with Johnsons. When i squeeze the primer bulb I can hear this slight sound of air escaping from this contraption that is the first thing the fuel hits after the QD. It is shaped like a pyramid on the top and rectangular below that. It has 6...
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    Help me identify prop please

    The prop says 13 1/4 17. Below that it has DM 19 stamped in it. What does the "DM19" mean? mean?
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    75 HP 1979 Johnson 14ft modified tri hull bass boat

    I picked up this $500 boat and believe it or not the engine seems to be running pretty good. The prop is chewed up really bad and I see a stainless on Craigs List with a 21 pitch. The price is right. Do you think this is too much pitch for this engine hull combination? I'm not racing or...
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    45 HP Mariner (classic 50) overhating again

    I have been fighting this for a long time. The engine has a good stream when it idles but when I take off it stops and steam starts coming out with little bursts of water. When you drop back to idle the stream increases and cools down. The first time I went after this was about a year ago. Of...
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    classic 50 fuel line size

    It have a lot of gas lines leaking around the carbuerators in my Mariner 45HP. You guys said that you usually just bought a few feet of line instead of precut pieces. The boat is at a buddys house and I am planning to go and change those out on Sunday. He lives really far from a parts house. I...
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    Tire substitution

    I bought a little 15 ft Jason bass boat with a 90 HP ETEC. The trailer has some really nice aluminum rims that currently have 175 70R13 radials. I noticed today that one of them has a gash in the side so it's time for some new ties. I think these are plain old radials like for a car. I have been...
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    classic 50 fuel lines

    I have this Mariner/ Mercury Classic 50 that actually appears to have been built by Yamaha based on a lot of the parts. Anyway, it is leaking gas all around the area of the carberators. I also have to attack a heating problem that is recurring. I thought I might just buy a kit with all new lines...
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    teleflex trim guage on 2006 90hp ETEC

    I have a two inch hole in my dash that I would like to put a trim guage in. I have thei 90 HP ETEC and there are two wires coming from the trim sensor which I would guess is just a variable resistor. I see these teleflex trim guages on Ebay fro abotu 20 bucks but I sent a message and the guy...
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    mariner 45HP water pump seal washer which way?

    I am changing the impeller in the water pump on my classic 50. The last time I did this I had a really hard time getting the rubber seal to seal between the copper tube and the top of the pump housing. For some reason they put a notch in the top of the housing that makes it difficult to get the...
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    Classic 50 choke wont work

    I lost my schematic. The choke is not working. The throttle switch feels a little sticky. Can somebody tell me what color the wire is that goe to the solenoid that activates that choke. I haven't really determined much. I found a manual choke and I can see it work. Th butterflys are open and...
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    1994 120HP Johnson runs bad when warmed up

    I am just getting started with this problem. I don't trust this motor. It cranks right up and sounds beautiful I can run for a mile or two then it loses power and starts to shake likes it running on a couple of cylinders. It will do troll speeds all day. I haven't had the boat very long. It's...
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    1995 Cape Horn 17' storage and bait well question

    I have two compartments in the front. I was told they were live wells but when I take the plug out they don't fill with water. A little sloshed in there but definitely not enough to keep fish alive. Next Question: There is a compartment in the back right next to the battery compartment that is...
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    1994 johnson 120 trim motor stopped working

    I took my boat out today and the trim motor malfunctioned. I know the control has had a problem that I ignored so now the problem is worse. It was trimming up but wouldn't go down. Now I am out of the water and nothing is working. First I need to get it down to flush the motor with fresh water...
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    Johnson 120 new owner questions

    Re: Johnson 120 new owner questions I was trying to give it throttle while it was running. I pushed it as hard as I felt comfortable pushing. It was bogging down so I droppped it down and sort of slammed it up and it took off. I didn't feel like I ought to press that hard on the throttle. I...
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    Johnson 120 new owner questions

    I swapped for a 17 Cape Horn with a 120 Johnson. I have a couple of preliminary questions. I have read a little about the different models of this engine. I have no idea what I have. Could somebody tell me a little about it? Model J120TLAND S/N 03149179 I have never owned a Johnson. When I...
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