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    #1

    Go ahead and laugh

    Simply put I gutted my petcock on the vacuum side and capped off the hole where the vacuum hose hooks up (petcock wouldnt flow in any position after rebuild) so I got a bypass inline shut off valve. Anyways, do I need to cap the vacuum port on the carbs for them to function properly?
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    #2
    Absolutely cap the carb port
    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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      #3
      Yes
      You will have a huge vacuum leak if you don't.
      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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        #4
        Any specific way, I took a brass screw that some what fit into the petcock port and put some yamabond around it and screwed it in, no leaks. Samething for that? and theres only one correct..

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          #5
          I'd pop the original hose back on there and plug the hose with a bolt. You might want to go back to using that carb port at some time in the future.
          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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            #6
            You can also buy vacuum port caps at the auto part shack
            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.

            Comment

              #7
              Originally posted by chef1366 View Post
              You can also buy vacuum port caps at the auto part shack
              Yup...cap it...
              Bob T. ~~ Play the GSR weekly photo game: Pic of Week Game
              '83 GS1100E ~ '24 Triumph Speed 400 ~ '01 TRIUMPH TT600 ~ '67 HONDA CUB

              Comment

                #8
                Where can I get those caps, the shack huh. AKA Pep Boys, Autozone... etc? 10 cents each?

                EDIT:
                I like your petcock, where did you get it and I'm guessing its manual?
                Last edited by Guest; 11-08-2010, 05:43 PM.

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                  #9
                  Originally posted by Ranger View Post
                  Where can I get those caps, the shack huh. AKA Pep Boys, Autozone... etc? 10 cents each?

                  EDIT:
                  I like your petcock, where did you get it and I'm guessing its manual?
                  Yeah, they are worth about ten cents, so they sell them for $3.99 ea.
                  A piece of vacuum line an inch long and a screw will save you a trip.
                  http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                  Life is too short to ride an L.

                  Comment

                    #10
                    Originally posted by Ranger View Post
                    Where can I get those caps, the shack huh. AKA Pep Boys, Autozone... etc? 10 cents each?

                    EDIT:
                    I like your petcock, where did you get it and I'm guessing its manual?
                    Yes, manual...Pingel brand from Z1...not for the forgetful...

                    Originally posted by tkent02 View Post
                    Yeah, they are worth about ten cents, so they sell them for $3.99 ea.
                    A piece of vacuum line an inch long and a screw will save you a trip.
                    We buy them by the thousands for masking purposes...High temp vinyl from Shercon...about $20 per 1000...
                    Bob T. ~~ Play the GSR weekly photo game: Pic of Week Game
                    '83 GS1100E ~ '24 Triumph Speed 400 ~ '01 TRIUMPH TT600 ~ '67 HONDA CUB

                    Comment

                      #11
                      Originally posted by Baatfam View Post
                      Yes, manual...Pingel brand from Z1...not for the forgetful...



                      We buy them by the thousands for masking purposes...High temp vinyl from Shercon...about $20 per 1000...
                      Not for the forgetful, I believe that. I took a pinstriping brush and wrote "TURN OFF FUEL BEFORE DISMOUNT" next to my ignition.

                      I think I'm good there.

                      Wont the floats prevent it from flooding?

                      Comment

                        #12
                        Originally posted by Ranger View Post
                        Wont the floats prevent it from flooding?
                        Yes...for a while...maybe...but the first time you count on it....
                        Bob T. ~~ Play the GSR weekly photo game: Pic of Week Game
                        '83 GS1100E ~ '24 Triumph Speed 400 ~ '01 TRIUMPH TT600 ~ '67 HONDA CUB

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