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Firing on 2 cylinders....

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  • #1

    Firing on 2 cylinders....

    It only fires on #2 and #3 unless i spray gas directly into carbs #1 and #4, cant really figure out why.... could not having a gas tank on cause this by any chance? Im just squirting gas in the fuel lines until the bowls are full..... any ideas? Really dont wanna pull the carbs unless i really have to...

    This is my first time working on a quad carb engine by the way...
    Last edited by six6six; 05-29-2011, 05:05 PM.
    Tags: None
  • #2
    2+3 are on the same coil aren't they?
    90% of motorcycle forum members do not have a service manual for their bike.

    Originally posted by Badfaerie
    I love how the most ignorant people I have met are the ones that fling the word "ignorant" around like it's an insult, or poo. Maybe they think it means poo
    Originally posted by soulless kaos
    but personaly I dont see a point in a 1000 you can get the same power from a properly tuned 600 with less weight and better handeling.

    Comment

    • #3
      Originally posted by scottynoface View Post
      2+3 are on the same coil aren't they?
      Yup...... he could try swapping the coils and now see if only 1&4 are firing. ...but the plugs in 1&4 might be fouled. I'd clean/change them and see after that. Coils are relatively cheap..... and CDI's from salvage sources are worth the effort.
      sigpicLife throws you curves......enjoy the ones you get when riding.
      ------------------------------------------
      89 GSX750F(sold....sob)
      96 YZF 1000R

      Comment

      • #4
        But if it fires when squirting gas into the carbs that rules out electrical. Time to clean those carbs.
        Must read for carb tuners......http://www.factorypro.com/tech/tech_...m_engines.html

        Comment

        • #5
          ^ True enough.
          sigpicLife throws you curves......enjoy the ones you get when riding.
          ------------------------------------------
          89 GSX750F(sold....sob)
          96 YZF 1000R

          Comment

          • #6
            Originally posted by kevin2502000 View Post
            But if it fires when squirting gas into the carbs that rules out electrical. Time to clean those carbs.
            Good point, didnt read that.
            90% of motorcycle forum members do not have a service manual for their bike.

            Originally posted by Badfaerie
            I love how the most ignorant people I have met are the ones that fling the word "ignorant" around like it's an insult, or poo. Maybe they think it means poo
            Originally posted by soulless kaos
            but personaly I dont see a point in a 1000 you can get the same power from a properly tuned 600 with less weight and better handeling.

            Comment

            • #7
              Plugs were new yesterday, took a bowl off out of curiosity and it was filled with ****, i mean filled. Cleaned the carbs and now 2-3-4 are firing, now 1 only fires with gas squired into the carb.... wtf

              Comment

              • #8
                You have to clean the entire carb, break down ALL the jets, take out the a/f screws, soak them. What you see under the float bowl isn't even the important stuff.
                Must read for carb tuners......http://www.factorypro.com/tech/tech_...m_engines.html

                Comment

                • #9
                  Well i just cleaned the gunk out and cleaned the main and pilot jets, for the most part it seems to be running good, took apart the #1 carb again and they pilot jet was clogged again, so i cleaned it and put it back on, ill do some more testing in the morning...

                  Comment

                  • #10
                    Sounds like you need a gas tank treatment.
                    90% of motorcycle forum members do not have a service manual for their bike.

                    Originally posted by Badfaerie
                    I love how the most ignorant people I have met are the ones that fling the word "ignorant" around like it's an insult, or poo. Maybe they think it means poo
                    Originally posted by soulless kaos
                    but personaly I dont see a point in a 1000 you can get the same power from a properly tuned 600 with less weight and better handeling.

                    Comment

                    • #11
                      +1 por15
                      1992- project katfighter
                      2005- GSXR750
                      2001- TL1000R
                      http://katriders.com/vb/showthread.php?t=111130
                      www.lunchtimecigar.com



                      KATRIDERS RALLY 2014 - cintidude04
                      KATRIDERS RALLY 2015 - cintidude04
                      KATRIDERS RALLY 2016 - cintidude04

                      Comment

                      • #12
                        Originally posted by scottynoface View Post
                        Sounds like you need a gas tank treatment.
                        I need a gas tank first.....

                        What could be causing the carb to not give gas to the #1 cylinder?
                        Last edited by six6six; 05-29-2011, 10:35 PM. Reason: Automerged Doublepost

                        Comment

                        • #13
                          That could help

                          Its not clean enough still?
                          Last edited by cintidude04; 05-29-2011, 10:37 PM. Reason: Automerged Doublepost
                          1992- project katfighter
                          2005- GSXR750
                          2001- TL1000R
                          http://katriders.com/vb/showthread.php?t=111130
                          www.lunchtimecigar.com



                          KATRIDERS RALLY 2014 - cintidude04
                          KATRIDERS RALLY 2015 - cintidude04
                          KATRIDERS RALLY 2016 - cintidude04

                          Comment

                          • #14
                            Originally posted by kevin2502000 View Post
                            You have to clean the entire carb, break down ALL the jets, take out the a/f screws, soak them. What you see under the float bowl isn't even the important stuff.
                            this^^^^^^
                            Must read for carb tuners......http://www.factorypro.com/tech/tech_...m_engines.html

                            Comment

                            • #15
                              Originally posted by kevin2502000 View Post
                              this^^^^^^
                              Can i do that without buying a rebuild kit?

                              Comment

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