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  1. Rainer Germany

    Evinrude Big twin 40

    Hello, I have now received a used carburetor, it was very gummy. I disassembled it and cleaned it in an ultrasonic bath, it worked fine. I then installed it, connected the electrochoke and started it in the water barrel. I was happy, it started straight away and ran reasonably well. What's...
  2. Rainer Germany

    Evinrude Big twin 40

    Thank you, as written, I only get the carburetor delivered. I'll install it first and just test it. What about the vacuum hose on the old choke? I'll report back when I've tested. I'm glad I ended up here in the forum, you're all a great help
  3. Rainer Germany

    Evinrude Big twin 40

    the new
  4. Rainer Germany

    Evinrude Big twin 40

    Hello, I found a carburetor by chance on eBay, it will be delivered in the next few days. It is from a 1972 40hp engine. Now I still have questions for you, the carburetor already has an electronic choke, should I leave it as it is and install it or do I have to install the thermal choke from...
  5. Rainer Germany

    Evinrude Big twin 40

    The previous owner tried to force the nozzle out and broke it, as you can see in the picture. Now I have to try to drill them out without damaging the thread.
  6. Rainer Germany

    Evinrude Big twin 40

    Thank you very much, I have to try first if I can get it drilled out clean, then I'll order it
  7. Rainer Germany

    Evinrude Big twin 40

    Super
  8. Rainer Germany

    Evinrude Big twin 40

    this is my carburetor, see photo for damage
  9. Rainer Germany

    Evinrude Big twin 40

    a pi
  10. Rainer Germany

    Evinrude Big twin 40

    Model is 40302d, he doesn't have an electro shoke yet
  11. Rainer Germany

    Evinrude Big twin 40

    Thank you, I'll see if I can get something of equal value or I'll try to carefully drill out the nozzle. Maybe there are still spare parts for the carburetor at evinrude. I have a parts catalogue. As I said, it has to pay off, I paid 150 dollars for the motor.
  12. Rainer Germany

    Evinrude Big twin 40

    That's already clear. If I think correctly, there are up to the 80 engine 40hp from Evinrude, which only have 1 carburettor. Would they possibly fit?
  13. Rainer Germany

    Evinrude Big twin 40

    That's already clear. If I think correctly, there are up to the 80 engine 40hp from Evinrude, which only have 1 carburettor. Would they possibly fit?
  14. Rainer Germany

    Evinrude Big twin 40

    Hello, I just can't get the engine to run properly. I took a closer look at the carburetor and found that the previous owner had tinkered with it. The nozzle from the float chamber to the intake duct broke off and was glued on. The leadership of the swimmer has started. I guess I need a...
  15. Rainer Germany

    Evinrude Big twin 40

    Thank you very much, I somehow overlooked it
  16. Rainer Germany

    Evinrude Big twin 40

    Hello everyone, I injected some fluid into the cylinder and let it work for a few days. I then warmed up the engine and measured the compression again. I've got around 100psi now, but the engine isn't running very well. I think it's the carburetor and ignition settings. Does anyone have a manual...
  17. Rainer Germany

    Evinrude Big twin 40

    many thanks for your help. will report on the progress All the best Rainer
  18. Rainer Germany

    Evinrude Big twin 40

    i measured the compression with e starter. Then I guess I have a problem fubar in german: für den arsch😩
  19. Rainer Germany

    Evinrude Big twin 40

    UHello, I would be very happy about the DOCUMENTS
  20. Rainer Germany

    Evinrude Big twin 40

    I don't know fubar! What I mean, spark plugs out, engine compression measured. both cylinders 4 bar /58 psi pressure. think too little, right? greetings
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