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  1. Replies
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    239

    Prop needed for older type of sterndrive

    Hello,

    Does anybody knows where I could find props for the shaft as shown in attached photo (SternPowr sterndrive, similar to older Mercruiser)?

    16691

    Thanks
  2. Thread: Cummins 504M

    by Nikola
    Replies
    7
    Views
    4,183

    Re: Cummins 504M

    Depending of the boat, it can be hardly reachable, otherwise I don't see why not. However, I am using neither impeller either Jabsco pump so you should see the engine user/service manual or parts...
  3. Aluminum valve covers on v-504 - I need repair advice

    On V-504, I have two valve covers on each side of engine. They have a sound deadening "feature", but engine would be much more reliable without it, at least if we are considering age (not running...
  4. Re: Prestolite tim pump valve body assembly - a bit help anybody?

    I have solved it!

    When reassembling I have tried both options and only one was possible - Longer of two smaller springs goes above the squared "floater", otherwise the pressure setting screw above...
  5. Prestolite tim pump valve body assembly - a bit help anybody?

    Hello,

    I have disassembled valve body of Prestolite trim pump (type without control valve and without manual release valve), and I know most of parts where should be positioned to assemble it...
  6. Re: Cummins V-504-M, I need raw water pump information

    Calculation tested and it works fine, close enough. Engine has correct temperature range. I have found precise range of temperatures in some old engine manual and it should be a bit warmer so I will...
  7. Re: Cummins V-504 reliability compared to today standards?

    Just to update since I am on the water since March of this year.

    I have put 130 hours on the engine. Very reliable package and I am very satisfied. A boat is not typical (if any is) so it is...
  8. Borg Warner/Velvet Drive 72 - Question about pressure sender port

    Where exactly am I supposed to connect the pressure sender? On the diagram in the service manual, there are three ports, and I have attached the mentioned diagram here. One port for the oil to the...
  9. Replies
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    3,004

    Re: Diesel Filters v504m

    I have answered you in a different thread, where you have asked the same question.
  10. Replies
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    3,004

    Re: Diesel Filters v504m

    Nikola is a guys name in my country :)
  11. Thread: Cummins 504M

    by Nikola
    Replies
    7
    Views
    4,183

    Re: Cummins 504M

    Oh, one more easy check to do if the fuel is reaching the fuel pump. On the fuel pump is an electric valve that opens/closes the fuel to the engine. You can use voltmeter to check if there is a...
  12. Thread: Cummins 504M

    by Nikola
    Replies
    7
    Views
    4,183

    Re: Cummins 504M

    Hi Liam,

    These fuel filters are most often specific for each boat, not for engine, depending where the manufacturer has decided to put them and which one. I have one V-504-M, but in a different...
  13. Thread: Cummins 504M

    by Nikola
    Replies
    7
    Views
    4,183

    Re: Cummins 504M

    Hi Liam,

    V-504-M has wet, fresh water cooled exhaust manifold (water from heat exchanger).

    Regards
  14. Re: Cummins V-504-M, I need raw water pump information

    If anyone still looking at this thread,

    Gilkes pump is M series 100/350, and it will have about 110 liters/min (around 29GPM) flow rate at 3000RPM (1:1 with engine), since water head is...
  15. Thread: 555 questions

    by Nikola
    Replies
    1
    Views
    2,415

    Re: 555 questions

    Hello,

    I believe, that you can get the best answer from people who use it or have used it, on the following link (they have described 555 usage and flaws in that conversation):
    ...
  16. Cummins V-504-M, I need raw water pump information

    Hi,

    Does anyone can give me more detailed specifications about raw water pump for this engine (rated at 195HP/3000RPM). I found out on the internet, that original raw water pump for V-504 was...
  17. Re: Cummins V-504 reliability compared to today standards?

    Thank you for your answer. Sorry for my late response.
  18. Cummins V-504 reliability compared to today standards?

    Maybe this sounds like a bit stupid question, but I will explain why I ask this. I am "rebuilding" a 9meter (30feet) fiberglass boat, but due to life circumstances, project was stopped for more...
  19. Re: Carbs cleaning each season after used in salt water? (BF30A)

    Everybody, thanks for great replies.

    Racerone: I will try running the carbs out of fuel, that one is easy, and it didn't occur to me.

    Sandkicker: Regarding gaskets, I do grease them and...
  20. Carbs cleaning each season after used in salt water? (BF30A)

    Hello,

    this is my first thread on this forum and I hope for some good advices/answers since I have read excellent answers in other threads.

    I own Honda BF30A (year of production: 2000...
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