Starting issue

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  • Ickaruz

    #1

    Starting issue

    I'm almost done working out all the bugs with my 85 Suzuki Gs 700. The last issue was lack of venting in the tank because I had sealed up 2 holes inside when I treated the tank. Anyway, the bike runs pretty nice after it warms up but starting it is weird. I have to turn the idle screw several times clockwise to get it to idle. It idles rough for a bit and slowly the idle picks up. As it does I turn the screw counter clockwise a bit to bring it back down. After 2 minutes of this the bike seems ready to go. If I started it without this process it would start fine but instantly die. It also does not like choke. Anyone have a clue as to what may be going on? I was thinking that maybe the vacuum hose going from the tank to the carb maybe a bit too long. Would that effect it? In otherwords I'm clueless at this point.
  • Dave8338
    Forum LongTimer
    Past Site Supporter
    • Aug 2006
    • 11608
    • Annandale, MN

    #2
    HAve you soaked and rebuilt the carbs? Checked for vacuum leaks; air filter in place and oiled; adjusted the valves; replaced o-rings where needed; synched the carbs? All needs to be done to get things to run right.

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    • Guest

      #3
      somethings wrong in the carbs enrichment circuit
      and/or the pilot mixture screws are set incorrectly
      and/or you have bad air leaks in the intake system
      and/or maybe you have no air-filter

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      • Ickaruz

        #4
        Cleaned the carbs and has them synched. That was before I figured out the venting problem though so maybe I should synch again. There is an air filter but for ha haas I will replace. I've never checked the valves so I need to get on that. Is that a lengthy task?

        Comment

        • Dave8338
          Forum LongTimer
          Past Site Supporter
          • Aug 2006
          • 11608
          • Annandale, MN

          #5
          Go to Basscliff's website, it will walk you through it.

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          • BassCliff

            #6
            Originally posted by Ickaruz
            Cleaned the carbs and has them synched. That was before I figured out the venting problem though so maybe I should synch again. There is an air filter but for ha haas I will replace. I've never checked the valves so I need to get on that. Is that a lengthy task?
            Hi Mr. lckaruz,

            Always adjust valves first, then sync carbs. The first time I did a valve check/adjust, it took me over 4 hours. Now I can do it in less than 2. I think the 16-valve motors can go even quicker because you don't have to swap shims.

            Thank you for your indulgence,

            BassCliff

            Comment

            • Ickaruz

              #7
              Thanks again all for the advice. I will prceed with the valve adjustment and re synch. My bike test is coming up so I will hold off till after because...well its me. I should be known as Mr Nothing Seems To Go As Planned but that is a bit wordy. I'd be lost without you guys, thanks again!

              Comment

              • Guest

                #8
                while tight valves do contribute to the cold start difficulties, your problem sounds past just the valve adjustment
                keep us posted

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