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  • I was just inspecting the carb section this morning and found out that the airfilter hose that connects the carb was not connected properly which means everything dust, etc is going into the carb freely. Now i do not know for how long this has been like this. but ideally what should i be doing now, apart from cleaning the carb. Is there any problem to the engine / piston or any other component?

    P.S. : Above material is copied,but thats exactly the SAME in my case also
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    • Originally posted by itssaurabh.negi View Post
      I was just inspecting the carb section this morning and found out that the airfilter hose that connects the carb was not connected properly which means everything dust, etc is going into the carb freely. Now i do not know for how long this has been like this. but ideally what should i be doing now, apart from cleaning the carb. Is there any problem to the engine / piston or any other component?

      P.S. : Above material is copied,but thats exactly the SAME in my case also
      go to a good mechanic and get the carb cleaned (in your presence).
      the slide + main jet + pilot jet are the chief components that will need cleaning.

      also, If you are not facing any issue as yet, dont fiddle with anything..
      The mechs will say that the head will need to be opened, block will need to be checked etc etc but if the engine is working fine without any abnormal noises, you dont need to do anything...

      at the max, (if you are dead scared) just get the engine flushed and thats it. this will clean the rings and the seals of any grime if it has been arround.
      Suffering from Parked Motorcycle Syndrome

      Cant ride ? read this..
      http://MechMarvels.wordpress.com

      Repair manuals for Hero honda Hunk
      https://www.xbhp.com/talkies/do-your...eneration.html

      Comment


      • Originally posted by ROCKRZ View Post
        go to a good mechanic and get the carb cleaned (in your presence).
        the slide + main jet + pilot jet are the chief components that will need cleaning.

        Roger that!!

        also, If you are not facing any issue as yet, dont fiddle with anything..
        The mechs will say that the head will need to be opened, block will need to be checked etc etc but if the engine is working fine without any abnormal noises, you dont need to do anything...
        I am facing sluggish acceleration,and drop in top speed since months,thought it was due to air filter but it was fine.i guess jets needs to be cleand.

        at the max, (if you are dead scared) just get the engine flushed and thats it. this will clean the rings and the seals of any grime if it has been arround.
        Hows that done?? and is it safe ??

        Regards
        sigpic
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        I Dream, I Dare, I Do !!

        << 100Rabh N3gi!! >>
        My Ride : http://www.xbhp.com/talkies/members/itssaurabh-negi-albums-my-new-sweetheart.html
        My Photography : https://www.facebook.com/seeclickshare

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        • Originally posted by itssaurabh.negi View Post
          I am facing sluggish acceleration,and drop in top speed since months,thought it was due to air filter but it was fine.i guess jets needs to be cleand.
          Hows that done?? and is it safe ??


          Regards
          how many kilometers has the bike run?

          Actually, drop in top speed could be due to two reasons..
          the bike is running rich / excessively lean - this causes hitching of bike to cross 100 kmph - this is a typical feeling as if suddenly the bike is out of petrol for a few seconds and then it starts running again. it then repeats again till you let go off the throttle.

          the bike just does not go beyond a particular rpm- this is indicative of busted carb slide, however, this is not a sure shot way of telling a busted slide. for checking the slide, you need to push it up slowly if it moves smoothly without any fluctuating resistance, the slide is fine.

          if possible, i will post a video of a busted carb
          Suffering from Parked Motorcycle Syndrome

          Cant ride ? read this..
          http://MechMarvels.wordpress.com

          Repair manuals for Hero honda Hunk
          https://www.xbhp.com/talkies/do-your...eneration.html

          Comment


          • Originally posted by ROCKRZ View Post
            how many kilometers has the bike run?

            Actually, drop in top speed could be due to two reasons..
            the bike is running rich / excessively lean - this causes hitching of bike to cross 100 kmph - this is a typical feeling as if suddenly the bike is out of petrol for a few seconds and then it starts running again. it then repeats again till you let go off the throttle.

            Bike is not lean/rich. Its set for optimal settings.It doesn't hiccup either
            the bike just does not go beyond a particular rpm- this is indicative of busted carb slide, however, this is not a sure shot way of telling a busted slide. for checking the slide, you need to push it up slowly if it moves smoothly without any fluctuating resistance, the slide is fine.
            Bike goes upto any RPM (once had 105 KMPH @ 9K rpm)


            if possible, i will post a video of a busted carb
            bike sluggishness feels when starting from idle or when riding uphills with pillion, i mean it has very poor pickup.
            Odo @ 8K, 10 Months
            Last edited by itssaurabh.negi; 04-16-2012, 02:52 PM.
            sigpic
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            I Dream, I Dare, I Do !!

            << 100Rabh N3gi!! >>
            My Ride : http://www.xbhp.com/talkies/members/itssaurabh-negi-albums-my-new-sweetheart.html
            My Photography : https://www.facebook.com/seeclickshare

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            • Originally posted by itssaurabh.negi View Post
              bike sluggishness feels when starting from idle or when riding uphills with pillion, i mean it has very poor pickup.
              Odo @ 8K, 10 Months
              Why do you say that the carb is @ optimal setting?
              What is the top speed you are getting now ?

              Comment


              • Originally posted by SatSon View Post
                Why do you say that the carb is @ optimal setting?
                What is the top speed you are getting now ?
                I have checked Spark plug recently and its showing optimum Color.i also tried with a rich setting but it struggles in uphill roads with a pillion. Top speed few weeks back was 105 kmph with my throttle full open,without pillion. I am planning to have my carb cleaned .
                sigpic
                _______________________________________________
                I Dream, I Dare, I Do !!

                << 100Rabh N3gi!! >>
                My Ride : http://www.xbhp.com/talkies/members/itssaurabh-negi-albums-my-new-sweetheart.html
                My Photography : https://www.facebook.com/seeclickshare

                Comment


                • Originally posted by itssaurabh.negi View Post
                  I have checked Spark plug recently and its showing optimum Color.i also tried with a rich setting but it struggles in uphill roads with a pillion. Top speed few weeks back was 105 kmph with my throttle full open,without pillion. I am planning to have my carb cleaned .
                  if everything is stock on the bike, there is no reason why it should not touch the top speed.

                  starting with the filter, since the bike is only 8000 kms old, a clogged filter is not possible unless if you regularly ride through dusty areas.

                  next comes the carb. except for the regular cleaning (jets, slide, galleries), nothing should go wrong.

                  tappets could be loose but this is not a major detterent to power. I mean yes it affects the power but only if the bike is running on too loose or too tight tappets. however, if you do not have any sound of tappets from the engine, it could also be a bit tight. try going for a 0.15 mm shim for intake and a 0.2 mm shim for exhaust.

                  are you using the stock grade of oil?


                  try getting a new air filter and plugs and take the bike for a spin after installing them one after the other, if it touches the top speed, better replace both else if nothing solves the problem, better get the carb rectified..

                  btw, you said that your bike touches 105 kmh at 9000 rpm. are you sure about this cos mine does the same at 8500 and when the block piston was good, it used to cross 115 kmph at 9500.
                  Suffering from Parked Motorcycle Syndrome

                  Cant ride ? read this..
                  http://MechMarvels.wordpress.com

                  Repair manuals for Hero honda Hunk
                  https://www.xbhp.com/talkies/do-your...eneration.html

                  Comment


                  • Originally posted by itssaurabh.negi View Post
                    Is there any problem to the engine / piston or any other component?
                    No problems,check engine oil color.

                    Originally posted by itssaurabh.negi View Post
                    bike sluggishness feels when starting from idle or when riding uphills with pillion, i mean it has very poor pickup.
                    Odo @ 8K, 10 Months
                    You mean after rectifying the above problem or before it?

                    Originally posted by ROCKRZ View Post
                    if everything is stock on the bike, there is no reason why it should not touch the top speed.
                    Top speed depends on tyre pressure,gear shifts and even cross winds matter.

                    try getting a new air filter and plugs
                    No need to get new ones,its just 8k old.

                    Check chain slack,lube it,check tyre pressure and fill if necessary.

                    Comment


                    • Originally posted by itssaurabh.negi View Post
                      I have checked Spark plug recently and its showing optimum Color.i also tried with a rich setting but it struggles in uphill roads with a pillion. Top speed few weeks back was 105 kmph with my throttle full open,without pillion. I am planning to have my carb cleaned .
                      Ok,
                      What was the top speed you achieved before?
                      As Anish mentioned, is it because of chain slackness, cross winds, ..etc, rather than something more faulty with your bike?

                      Comment


                      • Originally posted by Aneesh@4GHz View Post
                        Top speed depends on tyre pressure,gear shifts and even cross winds matter.

                        no offence but as per my experience (4000 kms with a busted chain and excessive slack), the above does not affect the top speed. yes, it does affect the time required to reach there but not the top speed. maybe this is what you meant.

                        No need to get new ones,its just 8k old.
                        generally, spark plug change is not required but if the engine is running excessively lean (he found the pipe disconnected), the ectrode gets galled and hence affects the top speed. hence the sugestion.

                        Check chain slack,lube it,check tyre pressure and fill if necessary
                        Excessive chain slack will affect top speed but that I have presumed that he has had his last service at 7500 and service center would have adjusted the slack (cos thats all that they generally do). but this should make the bike a metallica fan.
                        .
                        Originally posted by SatSon View Post
                        Ok,
                        What was the top speed you achieved before?
                        As Anish mentioned, is it because of chain slackness, cross winds, ..etc, rather than something more faulty with your bike?
                        my comments in bold. I could be wrong please clarify if you feel i am mistaken
                        Suffering from Parked Motorcycle Syndrome

                        Cant ride ? read this..
                        http://MechMarvels.wordpress.com

                        Repair manuals for Hero honda Hunk
                        https://www.xbhp.com/talkies/do-your...eneration.html

                        Comment


                        • Originally posted by ROCKRZ View Post
                          my comments in bold. I could be wrong please clarify if you feel i am mistaken
                          Chain slackness was adjusted 150 kms back on free service.air pressure is as mentioned in booklet. only thing i strongly doubt is carb. can clean it myself,f yes what precautions do one has to take while cleaning. a link for the same will be handful
                          sigpic
                          _______________________________________________
                          I Dream, I Dare, I Do !!

                          << 100Rabh N3gi!! >>
                          My Ride : http://www.xbhp.com/talkies/members/itssaurabh-negi-albums-my-new-sweetheart.html
                          My Photography : https://www.facebook.com/seeclickshare

                          Comment


                          • Originally posted by itssaurabh.negi View Post
                            Chain slackness was adjusted 150 kms back on free service.air pressure is as mentioned in booklet. only thing i strongly doubt is carb. can clean it myself,f yes what precautions do one has to take while cleaning. a link for the same will be handful
                            If you have never opened a carb before, please do not clean it yourself. A small prick to diaphragm and you will end up in a lot of trouble. Better let it to be handled by someone who knows it.
                            I have been a bit busy these days so cant upload the video of my own carb. If you can wait till sunday, i will upload the video along with opening instructions. That will help you to some extent but still, i will not recomend opening the carb yourself. Better done by someone who knows what he is doing.

                            The chief reason why i am against this is that the slide needs to be handled with clean hands,
                            it should not be wiped clean unless you feel some dirt,
                            If due to some reasons, the slide is bad, the svc will immediately recognise a opened carb and void the warranty.
                            You wont get pressurised air for cleaning the carb galleries at home.
                            And most importantly,cleaning a carb galleries is more of a skill rather than knowledge stuff.
                            its good that you want to DIY but its a bit too much at stake
                            Suffering from Parked Motorcycle Syndrome

                            Cant ride ? read this..
                            http://MechMarvels.wordpress.com

                            Repair manuals for Hero honda Hunk
                            https://www.xbhp.com/talkies/do-your...eneration.html

                            Comment


                            • Originally posted by ROCKRZ View Post
                              its good that you want to DIY but its a bit too much at stake
                              The thing is if i ask SVC guys to clean it they will throw bnch of question against me. Why clean this,whats purpose etc etc. and who knows they have cleaned it or not. i cant trust these guys. everytime u talk something about bikes,they feel as if we r trying to be superior to them in knowledge
                              sigpic
                              _______________________________________________
                              I Dream, I Dare, I Do !!

                              << 100Rabh N3gi!! >>
                              My Ride : http://www.xbhp.com/talkies/members/itssaurabh-negi-albums-my-new-sweetheart.html
                              My Photography : https://www.facebook.com/seeclickshare

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                              • cbz xtreme top speed hit.3gp - YouTube


                                116!!! :O

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