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    About fuel mesaurements.

    What is the right way to go?
    I mesaure my float hights to 22.4 mm like the manual says,Then the fuel level in the bowls are wrong,Checked with a plastic tube.I adjust the tip in the floats and get fuel level in specs 5 mm,but then the 22.4mm are wrong.What will i depend on????

    #2
    Checking with the plastic tube is the more accurate method to use.
    79 GS1000S
    79 GS1000S (another one)
    80 GSX750
    80 GS550
    80 CB650 cafe racer
    75 PC50 - the one with OHV and pedals...
    75 TS100 - being ridden (suicidally) by my father

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      #3
      Agreed - plastic tube method is exact

      Are you sure you are measuring the 22.4mm from the correct point?
      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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        #4
        Any suggestions on a source for the plastic tube device would be appreciated. Correct me if I'm wrong, but using the tube device entails removing the drain plug, right?
        Thanks,
        Willie
        Common sense has become so uncommon that I consider it a super power.


        Present Stable includes:
        '74 GT750 Resto-mod I've owned since '79
        '83 GS1100E (The best E I've ever enjoyed, Joe Nardy's former bike)
        '82 GS1100G Resto project

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          #5
          Yes, this method involves removing the drain plug from the float bowl. Unfortunately, I'm unsure of where to get a tube that will work for this.

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            #6
            Originally posted by willie View Post
            Any suggestions on a source for the plastic tube device would be appreciated. Correct me if I'm wrong, but using the tube device entails removing the drain plug, right?
            Thanks,
            Willie
            get another float bowl drain plug & drill a hole through it. Then epoxy a short pc of rigid tube in the hole. Connect a length of clear plastic hose to the "nipple" you created & run it up against the side of the carb. As the bike is running, the fuel in the hose will fill to the level of fuel that's in the bowl.
            '85 GS550L - SOLD
            '85 GS550E - SOLD
            '82 GS650GL - SOLD
            '81 GS750L - SOLD
            '82 GS850GL - trusty steed
            '80 GS1100L - son's project bike
            '82 GS1100G - SOLD
            '81 GS1100E - Big Red (daily rider)

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              #7
              Thanks guys!
              Willie
              Common sense has become so uncommon that I consider it a super power.


              Present Stable includes:
              '74 GT750 Resto-mod I've owned since '79
              '83 GS1100E (The best E I've ever enjoyed, Joe Nardy's former bike)
              '82 GS1100G Resto project

              Comment


                #8
                Any suggestions on a source for the plastic tube device would be appreciated.
                Check ebay. They come up for auction from time to time. Looks like this




                Some of the KZ's used mikuni carbs. For the BS32's, the screw is 6mm. The pitch is .75.
                Last edited by Guest; 01-04-2010, 06:24 PM.

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                  #9
                  The spring may be worn out in your float needle causing bad measurements.
                  1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
                  1985 GS1150ES stock with 85 Red E bodywork.

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