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  1. ReSydro

    440cc duromax won’t start

    Thanks for all the help guys. I appreciate it. Be safe
  2. ReSydro

    440cc duromax won’t start

    Might as well buy a new engine. 500cc Duromax. I don’t think I can adjust my mixture on the carb either. Goin to put all new gaskets tomorrow and a maikuni carb. If nothin happens. It’s trash.
  3. ReSydro

    440cc duromax won’t start

    S so it is a compression issue???
  4. ReSydro

    440cc duromax won’t start

    Compression tester. What should it be at?
  5. ReSydro

    440cc duromax won’t start

    Didn’t have time to pull fly wheel yet. Will for sure tomorrow
  6. ReSydro

    440cc duromax won’t start

    What would be the best after market carb for the Duromax 440cc?
  7. ReSydro

    440cc duromax won’t start

    Ok I actually checked compression it’s at 25 psi.
  8. ReSydro

    440cc duromax won’t start

    I’ll check all this tomorrow asap. As long as I can find the problem I can fix it with a little knowledge. I’ll try the thumb compression in the morning 😂
  9. ReSydro

    440cc duromax won’t start

    When I started it a month ago it stayed on for 5 min shut of and when I went to start it back up it backfired and shut off and here we are now.
  10. ReSydro

    440cc duromax won’t start

    The shaft does turn when I try to start it. Ill pull fly wheel tomorrow and check. How would I fix the timing after that?
  11. ReSydro

    440cc duromax won’t start

    I’ll check after work tomorrow
  12. ReSydro

    440cc duromax won’t start

    I don’t know if it has compression. I have a compression kit some where can’t find it. Going to store Friday for one. no pop at all. that’s why I thought it wasn’t getting spark. It’s getting fuel and air
  13. ReSydro

    440cc duromax won’t start

    All bots and oil change have been done according to engine standards maybe a lil more because I beat on her a lot. Last year all gasket were changed as well.
  14. ReSydro

    440cc duromax won’t start

    Ok I see what I need to do. I hope it works I’ll let u kno. Thanks for the help everyone and Rat
  15. ReSydro

    440cc duromax won’t start

    🤣 how do I do the lash reset? YouTube?
  16. ReSydro

    440cc duromax won’t start

    How would I be able to tell? It’s electric and pull start
  17. ReSydro

    440cc duromax won’t start

    Yes the gaskets are all good. The engine is 3 yrs old. Been taken good care of.
  18. ReSydro

    440cc duromax won’t start

    Over time will the rockers loosen??
  19. ReSydro

    440cc duromax won’t start

    I tried starter fluid still nothing I have a compression kit coming tomorrow. That’s y I ask about the seal. Previous post pic
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