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Carb Rebuild Complete - Dies on throttle

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    #76
    Originally posted by oohsam View Post
    The 5k was basically at neutral.
    Correct me if I'm wrong, but if my 1/4 throttle is 5,000rpm in neutral, then its 1/4 throttle regardless.
    My point being, The only reason we use throttle position is to ensure that we inform people to open it at throttle for the selected gear they have...therefore, 5k rpm @ 1/4 throttle in neutral, is the same as having 3k rpm in 2nd gear at 1/4 throttle....

    I just use RPM as indication of how how far I am opening the throttle in Nuetral..

    I didnt pull any plugs...I ran all 4 plugs, and yes it was hella loud, but quite nice.
    My neighbours love me (i am the resident IT guy, TV tuner, and dvd connector) so they put up with my nonsense! lol.

    one more thing, wouldn't pulling the plugs throw the vacum out of whack?
    Just a thought.
    Hmmm... I'm confused by the above...

    1/4 throttle is 1/4 throttle regardless of anything else... if you hold 1/4 throttle for a while, rev's will increase, but 1/4 throttle will still be 1/4 throttle...

    What you're looking for is what the mixture looks like at 1/4 throttle, regardless of rev's... the same mixture is burning at 1000 RPM and 1/4 throttle as at 5000 RPM and 1/4 throttle... it doesn't change unless you change the throttle position...

    Not sure on the vacuum comment, although that does make sense, but I don't know enough to know why that's still a valid test... HH is just a tad more experienced at this than I (who's done nothing but research)...
    1982 GS450E - The Wee Beastie
    1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

    sigpic

    450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

    Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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      #77
      Originally posted by oohsam View Post
      Oh one more thing,
      I did a plug chop at 1/2 throttle earlier, plugs were a little wet. Not much, just a tad, so I will be dropping main jet down to 140.

      Don't touch your mains, 1/2 throttle is purely needle
      1982 GS450E - The Wee Beastie
      1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

      sigpic

      450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

      Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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        #78
        Ok, if its needle then I'm gonna leave it run a little rich, as when the needle was one notch up, it was bogging down at 1/2 throttle, now it runs fine at 1/2 throttle.

        Geez, who invented these carbs! So many components!

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          #79
          Originally posted by oohsam View Post
          Ok, if its needle then I'm gonna leave it run a little rich, as when the needle was one notch up, it was bogging down at 1/2 throttle, now it runs fine at 1/2 throttle.

          Geez, who invented these carbs! So many components!
          Go a half notch and you will be perfect.
          Last edited by tkent02; 01-08-2012, 08:53 AM.
          http://img.photobucket.com/albums/v5...tatesMap-1.jpg

          Life is too short to ride an L.

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            #80
            Half notch? How do you do half notch! hahaha...

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              #81
              Originally posted by oohsam View Post
              Half notch? How do you do half notch! hahaha...
              With little bitty washers stacked on the clip. hahaha.
              http://img.photobucket.com/albums/v5...tatesMap-1.jpg

              Life is too short to ride an L.

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                #82
                You speak truth my friend!

                Rich never did anyone any harm!

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                  #83
                  Originally posted by oohsam View Post
                  You speak truth my friend!

                  Rich never did anyone any harm!
                  Rich who?

                  Must be an Aussieism.
                  http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                  Life is too short to ride an L.

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                    #84
                    Mr Mikuni Rich.
                    he's a dark fellow with an orange hat.
                    Sooty ol' sod he is.

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                      #85
                      Got it.
                      http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                      Life is too short to ride an L.

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