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  1. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    No,No and No I don't have the pressure test yet. Thanks
    Post by: Gonçalo Melo, Jan 2, 2021 in forum: XJ Technical Chat
  2. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    Hello everyone. I come to make an update. The problem of cylinder 4 seems to be solved (I cleaned the carburetor again) however, although cylinder...
    Post by: Gonçalo Melo, Jan 2, 2021 in forum: XJ Technical Chat
  3. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    This is what I already checked: I have a good spark in all cylinders; Fuel reaches all carburetors; The jets are all open; When I close the air...
    Post by: Gonçalo Melo, Dec 29, 2020 in forum: XJ Technical Chat
  4. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    Thank you all. I will try to check everything again on carburetor 4. And as soon as I have the tool to test the compression I will put the results...
    Post by: Gonçalo Melo, Dec 29, 2020 in forum: XJ Technical Chat
  5. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    I tested the fuel passages with compressed air and they all seem to be clear. My biggest doubt is to know why I don't have any kind of alteration...
    Post by: Gonçalo Melo, Dec 28, 2020 in forum: XJ Technical Chat
  6. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    Thanks for the help ... I will order the gasket and then I will see the valves. Yes, there is fuel in the carburator
    Post by: Gonçalo Melo, Dec 28, 2020 in forum: XJ Technical Chat
  7. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    I have a good spark on the cylinder ... the spark caps are new (NGK). I bet on the lack of fuel, but I don’t know where? I've disassembled...
    Post by: Gonçalo Melo, Dec 28, 2020 in forum: XJ Technical Chat
  8. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    Hello. thanks for the help ... but after diagnosing the problem, i removed the tank from the bike, and i am using an auxiliary tank. so the...
    Post by: Gonçalo Melo, Dec 28, 2020 in forum: XJ Technical Chat
  9. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    Hello. I have my xj650 working at 75%. Cylinder number 4 does not receive fuel. The carburetors were cleaned and the entire carburetor circuit...
    Post by: Gonçalo Melo, Dec 28, 2020 in forum: XJ Technical Chat
  10. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    Thank you for your help. I will start by seeing all of this. But what is your opinion? Is it cylinder 123 that is heating up very quickly (after 1...
    Post by: Gonçalo Melo, Dec 25, 2020 in forum: XJ Technical Chat
  11. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    My fault. I had a problem with the carburetors, but it's also solved. Thanks
    Post by: Gonçalo Melo, Dec 24, 2020 in forum: XJ Technical Chat
  12. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    Thanks for the help ... It was a bad battery and spark problem( wrong plugs). The bike now starts very well but I noticed that cylinder 1 heats up...
    Post by: Gonçalo Melo, Dec 24, 2020 in forum: XJ Technical Chat
  13. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right part 2

    Hello. Are you sure the battery only does that !? I have a 1980 xj650 seca that comes with a Blackbox Type TID14-02 4H7-10 and I think it gets the...
    Post by: Gonçalo Melo, Dec 24, 2020 in forum: XJ Technical Chat
  14. Gonçalo Melo
    Thread

    XJ650 Seca 1980 Not working right part 2

    Hello again A while ago I had a problem with my 1980 xj650 seca (carburetor problems). With your help I was able to dismantle and clean the...
    Thread by: Gonçalo Melo, Dec 23, 2020, 39 replies, in forum: XJ Technical Chat
  15. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    I found the problem. Bad battery and bad starter terminal. Thanks
    Post by: Gonçalo Melo, Dec 18, 2020 in forum: XJ Technical Chat
  16. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    Hello. I have already changed the oil and tested the carburetor by applying air pressure to the fuel pipe, and it looks like they are sealing...
    Post by: Gonçalo Melo, Dec 18, 2020 in forum: XJ Technical Chat
  17. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    Hi. I tested the petcock and it looks good in all positions. I'm almost sure that I must have left the petcock in the prime position and that led...
    Post by: Gonçalo Melo, Dec 15, 2020 in forum: XJ Technical Chat
  18. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    What should I do now? It is obvious that I must change the oil but in relation to the fuel that is in the combustion chamber? can i use the air...
    Post by: Gonçalo Melo, Dec 14, 2020 in forum: XJ Technical Chat
  19. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    Hi. I think I have fuel in the oil. Does anyone have any useful advice. Thanks
    Post by: Gonçalo Melo, Dec 14, 2020 in forum: XJ Technical Chat
  20. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    Sorry, for my English. I will check the carburetors. Thank you all
    Post by: Gonçalo Melo, Dec 13, 2020 in forum: XJ Technical Chat
  21. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    Sorry, I will try to explain it better. When I try to get the bike to work it shows great difficulty. But if I clean the sparks it starts to work...
    Post by: Gonçalo Melo, Dec 13, 2020 in forum: XJ Technical Chat
  22. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    I already changed the fuse box. Thanks
    Post by: Gonçalo Melo, Dec 12, 2020 in forum: XJ Technical Chat
  23. Gonçalo Melo
    Post

    Solenoid or earths or wiring? No starter and deadens battery!

    I had an identical problem. With the motorcycle off, put the motorcycle in 1 gear and then push the motorcycle a little and release the clutch....
    Post by: Gonçalo Melo, Dec 12, 2020 in forum: XJ Technical Chat
  24. Gonçalo Melo
    Post

    XJ650 Seca 1980 Not working right

    thanks. I will see all that ... I will start with the easiest and then the valves. Sometimes when I hit the rear brake the bike would shut down....
    Post by: Gonçalo Melo, Dec 12, 2020 in forum: XJ Technical Chat
  25. Gonçalo Melo
    Thread

    XJ650 Seca 1980 Not working right

    Hello. I need help from this forum. I have a 1980 xj650 seca that has been giving me problems. Right now I have a lot of difficulty getting the...
    Thread by: Gonçalo Melo, Dec 12, 2020, 25 replies, in forum: XJ Technical Chat
  26. Gonçalo Melo
    Post

    What did you do to your Yamaha today?

    Hello. Thanks for all the help I have been getting through this forum. I'm from Portugal and I bought a xj650 seca from 1980. Today I installed a...
    Post by: Gonçalo Melo, Dec 12, 2020 in forum: XJ Technical Chat
Showing results 1 to 26 of 26
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