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  1. J

    aq125 cooling problem

    AS I examined the old strainer housing today, I saw that there was an old rubber sealing ring inside of the plastic housing. I don't know if I replaced a new ring on the inside of the new plastic housing. I will take that new one off the heat exchanger and examine it, and that should be the...
  2. J

    aq125 cooling problem

    here is a pic of the old parts but new part is the black strainer housing that sits on top of the heat exchanger. disregard the rtv gasket material on the old one. i cleaned all of that off before installing the new strainer housing.
  3. J

    aq125 cooling problem

    Ran the boat in shallow muddy water and picked up debris in the cooling system lake water side. cleaned it all out and in the process had to replace the raw water strainer housing which cracked UGH. But that brand new housing leaks where it mates to the metal cover on the heat exchanger. I...
  4. J

    Overheating AQ125a leaking cooling sustem

    Thx will let you know.
  5. J

    Overheating AQ125a leaking cooling sustem

    Update I’ve spent too much of the summer diagnosing and attempting to solve the leak and overheat problems. I’ve serviced the heat exchanger and replaced all the seal and gaskets. But it leaks antifreeze where the plastic strainer housing meets the metal top of the heat e exchanger. This is with...
  6. J

    Overheating AQ125a leaking cooling sustem

    It took two of us to free the cover off the body of the H/E and nothing broke! Previous owner must have taken this thing apart and used some kind of sealant on the gasket that did not budge until I applied some heat. Now I’ll get the insert cleaned out, clean up the mating surfaces and new...
  7. J

    Overheating AQ125a leaking cooling sustem

    I got the white plastic bushing off but that top part is still not coming off. It seems like the top cover part is attached to the insert and all of it should come out in one movement? This is crazy.
  8. J

    Overheating AQ125a leaking cooling sustem

    I had the putty knife in the crevice all around but it’s not moving and yes I’m afraid to snap a piece of it. It’s over 40 yrs old! I’m gonna try to see if the top will rotate around the white plastic and metal pipe.
  9. J

    Overheating AQ125a leaking cooling sustem

    I think that will work. I’ll let the penetrating oil soak overnight on it.
  10. J

    Overheating AQ125a leaking cooling sustem

    I’ve tried screwdrivers, putty knife, even a pry bar for taking moldings off. These pictures show how much that cover moves then nothing. I wonder if the white bushing is holding it up? I don’t want to mangle that though.
  11. J

    Overheating AQ125a leaking cooling sustem

    Those bolts were easy to get the whole unit off the boat and the bolts holding the top plate to the unit weren’t bad either. Not sure how much persuasion should be used to get the cover off.
  12. J

    Overheating AQ125a leaking cooling sustem

    Thx. Any tips on getting the top plate off the heat exchanger so I can get at the wafer type of strainer inside? Right now I’m soaking the top plate joints in PB BLASTER to loosen it from the body of the H/E. The entire H/E is on the workbench. I’m talking about the metal top plate the plastic...
  13. J

    Overheating AQ125a leaking cooling sustem

    Ok will do. It’s what I was thinking too. Now I just have to find the time this week to get it done. That white gasket on the cover to the raw water pump- is there any trick to keeping it in place before you tighten down the four fasteners? I get it set then it moves on me no matter what I do.
  14. J

    Overheating AQ125a leaking cooling sustem

    In order to service the raw water side of the cooling system do I need to drain the antifreeze too? I’m planning to disassemble the raw water tank, raw water strainer housing from the closed side of the cooling system in order to service the filter in the raw water tank. The left side is raw...
  15. J

    Overheating AQ125a leaking cooling sustem

    I ordered the required gasket and piping kits to do the work on the heat exchanger. A good water flow out of the outdrive now on the muffs. Steady temps at 180-190 too. Once I get the leaks fixed I will test it at the lake and let you know. Thanks
  16. J

    Overheating AQ125a leaking cooling sustem

    The system overheated very briefly from the silt sucked into the raw water system. In this system the antifreeze circulates through the engine block in a closed setup. That antifreeze solution is cooled by raw water pumped in from the lake and by means of a heat exchanger it acts like a car...
  17. J

    Overheating AQ125a leaking cooling sustem

    I saw that cooling pipe gasket set thx. But the leak is from the base of the plastic strainer housing not the cooling pipe. The other one is from the metal top plate of the raw water reservoir. I don’t know how to post pics and circle the spots of the leaks.
  18. J

    Overheating AQ125a leaking cooling sustem

    End of last season I got into a shallow muddy situation and sucked up river mud. I knew it was trouble immediately. As soon as we got into open water and got above 2000 rpm on plane the temps jumped up but came back down to normal when I idled. We idled back to the dock. But I had antifreeze out...
  19. J

    Aq 270 prop?

    Picked up a very good condition VP prop # 814634 RH 14x21. Can this work ok on my 270 drive? 125 hp Vp thanks joe
  20. J

    Uflex B183 single lever control installation

    I needed to replace the original equipment control box since a plastic piece wore out and broke in the shift handle. This is on the Bayliner Capri 1950 with Volvo motor and outdrive and Morse 33C cables. These cables looked ok and I think PO replaced them at one point. I purchased a Uflex...
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