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carb theory (not mine, to me its all black magic)

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    #1

    carb theory (not mine, to me its all black magic)

    http://www.slideshare.net/J.T.A.JONES/carburetor-theory


    found this. looks like it was compiled from a few sources. its helping me, hope it helps others...
    -Mark
    Boston, MA
    Suck Squeeze Bang Blow..
    sigpic
    1980 GS850G with 79 carbs.....
    Tags: None
    #2
    ugh math
    sigpicMrBill Been a GSR member on and off since April 2002
    1980 GS 750E Bought new in Feb of 1980
    2015 CAN AM RTS


    Stuff I've done to my bike:dancing: 1100E front end with new Sonic springs, 1100E swing arm conversion with new Progressive shocks installed, 530 sprockets/chain conversion, new SS brake lines, new brake pads. New SS fasteners through out. Rebuilt carbs, new EBC clutch springs and horn installed. New paint. Motor runs strong.

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      #3
      interesting details .... a compendium of tuning tips! lots of stuff I didn't know (but that's easy) Tuning per Relative Air density ...? wow.
      Thanks for the link!

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        #4
        Originally posted by Gorminrider View Post
        interesting details .... a compendium of tuning tips! lots of stuff I didn't know (but that's easy) Tuning per Relative Air density ...? wow.
        Thanks for the link!
        Well, if you check closely, you'll see it's about 2 strokes

        Interesting stuff for reference
        1978 GS 1000 (since new)
        1979 GS 1000 (The Fridge, superbike replica project)
        1978 GS 1000 (parts)
        1981 GS 850 (anyone want a project?)
        1981 GPZ 550 (backroad screamer)
        1970 450 Mk IIID (THUMP!)
        2007 DRz 400S
        1999 ATK 490ES
        1994 DR 350SES

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          #5
          It is also about a different carb design, but some of the principles, such as stoichiometric tuning (using a wideband i.e. a sniffer), EGTs and RAD are applicable across the board.
          The other stuff, not so much.

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            #6
            yes, I saw that "two stroke", but it looks to be a bunch of stuff from different sources. ...how about that plug diagnosis...per side electrode?

            this'd be a poor man's Colour-tune if it is true.

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              #7
              Haven't heard that one for a four stroke.

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