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Bike Idling and cooling Issues...

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  • #1

    Bike Idling and cooling Issues...

    Hi guys. I have got a couple of questions, i own an RTR 180 by the way.. :P

    1. My bike doesn't idle for long, it switches off pretty frequently when in a standstill... i have to keep revving the bike in order to stop it from stalling. i tried setting the idle speed but no use.. and one more thing, the idle speed of the bike fluctuates, i set it to around 1.4k rpm but it slowly goes down. no matter what i do, the engine rpm comes down, it not stable. i'm fed up of revving my bike all the time.

    2. And, i feel that SHELL petrol gives me awesome fuel efficiency when compared to other bunks' petrol. is it just me??? usually, i fill petrol from HP bunks and it would last me 5 days of normal usage. its been 4 days since i last filled petrol from SHELL and the petrol meter is still at 3 bars.. i've been revving hard and still it seems to last much much longer..

    3. is it a good idea, to pour water on the engine to force cool it down??? i mean, accelerate the cooling???
    Every BIKE has a lot of speed in it. The trick is getting the speed out of it.

    Tags: None
  • #2
    Query Approved
    Advice is a form of nostalgia.
    Dispensing it is a way of fishing the past from the disposal, wiping it off, painting over the ugly parts and recycling it for more than it's worth.

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    • #3
      Thank you very much for the approval..
      Every BIKE has a lot of speed in it. The trick is getting the speed out of it.

      Comment

      • #4
        Originally posted by gamer.gautam View Post
        Hi guys. I have got a couple of questions, i own an RTR 180 by the way.. :P

        1. My bike doesn't idle for long, it switches off pretty frequently when in a standstill... i have to keep revving the bike in order to stop it from stalling. i tried setting the idle speed but no use.. and one more thing, the idle speed of the bike fluctuates, i set it to around 1.4k rpm but it slowly goes down. no matter what i do, the engine rpm comes down, it not stable. i'm fed up of revving my bike all the time.
        does this happen always, even with the hot engine?

        Originally posted by gamer.gautam View Post
        2. And, i feel that SHELL petrol gives me awesome fuel efficiency when compared to other bunks' petrol. is it just me??? usually, i fill petrol from HP bunks and it would last me 5 days of normal usage. its been 4 days since i last filled petrol from SHELL and the petrol meter is still at 3 bars.. i've been revving hard and still it seems to last much much longer..
        sorry, dont have any experience with Shell. others may help.

        Originally posted by gamer.gautam View Post
        3. is it a good idea, to pour water on the engine to force cool it down??? i mean, accelerate the cooling???
        definately not a good idea. can cause damage. google the term "thermal shock" for more explanation.
        http://www.facebook.com/ateesh.kumar

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        • #5
          Originally posted by Honda_CBF View Post
          does this happen always, even with the hot engine?
          Yes... but with a hot engine, it seems to idle a little bit longer.. some 5 - 7 seconds longer, but then again the rpm decreases and the engine stalls... is it because of a LEAN mixture??? or due to some kind of Loss in Compression????
          Every BIKE has a lot of speed in it. The trick is getting the speed out of it.

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          • #6
            Originally posted by gamer.gautam View Post
            Yes... but with a hot engine, it seems to idle a little bit longer.. some 5 - 7 seconds longer, but then again the rpm decreases and the engine stalls... is it because of a LEAN mixture??? or due to some kind of Loss in Compression????
            I'm not sure, maybe.
            Since when its been like this.. After any service or after some storage.
            Try getting your carb cleaned cleaned. Seems like pilot jet's getting pluged.
            Btw, how does the bike feels while riding specially between 2k rpm to 3k rpm.
            http://www.facebook.com/ateesh.kumar

            Comment

            • #7
              Originally posted by Honda_CBF View Post
              I'm not sure, maybe.
              Since when its been like this.. After any service or after some storage.
              Try getting your carb cleaned cleaned. Seems like pilot jet's getting pluged.
              Btw, how does the bike feels while riding specially between 2k rpm to 3k rpm.
              the bike's been behaving like this after a long long storage... i've ridden around 1500 kms after taking it out from storage... and i haven't noticed how the bike really feels when riding between 2k and 3k... but at 4k - 4.5k and onwards feels crisp and responsive..
              Every BIKE has a lot of speed in it. The trick is getting the speed out of it.

              Comment

              • #8
                Your bike is running lean, tune its AFR.
                Don't pour water to cool, it'll cause the components to develop thermal strain.
                Its the fusion of a two wheeled machine & a human being which creates a true biker.

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                • #9
                  Fluctuating idling = (Most probably a )lean mixture,
                  You can keep the engine running by slightly increasing the throttle, Right???
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                  • #10
                    Originally posted by gamer.gautam View Post
                    the bike's been behaving like this after a long long storage... i've ridden around 1500 kms after taking it out from storage... and i haven't noticed how the bike really feels when riding between 2k and 3k... but at 4k - 4.5k and onwards feels crisp and responsive..
                    seems like your jets (specially the pilot jet) in carb is choked.
                    Get it cleaned.
                    *has happened with me too*
                    BUT DONT LET MECHANIC TO TUNE OR CHANGE AFR, just get it cleaned.
                    Edit:
                    On the other note, i hope you changed engine oil after storage.
                    Last edited by Honda_CBF; 06-05-2012, 12:27 AM.
                    http://www.facebook.com/ateesh.kumar

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                    • #11
                      Originally posted by Honda_CBF View Post
                      seems like your jets (specially the pilot jet) in carb is choked.
                      Get it cleaned.
                      *has happened with me too*
                      BUT DONT LET MECHANIC TO TUNE OR CHANGE AFR, just get it cleaned.
                      Edit:
                      On the other note, i hope you changed engine oil after storage.
                      Newbie Question: How do you clean pilot without altering AFR?? you have to unscrew the `screw` right??
                      Invitation link to join Zurker Beta, "A social network which you can own"
                      http://www.zurker.in/i-96735-fahbqvzxpo

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                      • #12
                        I said so because mechanics loves to lean tune carbs (why the hell they do that, unless asked to?)

                        Originally posted by Rashid View Post
                        Newbie Question: How do you clean pilot without altering AFR?? you have to unscrew the `screw` right??
                        to access jets one need not touch AFR screw. Just open the lower part (float bowl) by unscrewing 3 or 4 screws, un-mount the float and done. Next thing you'll see are jets & fuel valve.
                        Last edited by Honda_CBF; 06-05-2012, 08:41 AM.
                        http://www.facebook.com/ateesh.kumar

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                        • #13
                          Originally posted by Rashid View Post
                          Fluctuating idling = (Most probably a )lean mixture,
                          You can keep the engine running by slightly increasing the throttle, Right???
                          Yes... i can keep it running, with a very slight twist of the throttle

                          Originally posted by Honda_CBF View Post
                          I said so because mechanics loves to lean tune carbs (why the hell they do that, unless asked to?)
                          Originally posted by Honda_CBF View Post
                          seems like your jets (specially the pilot jet) in carb is choked.
                          Get it cleaned.
                          *has happened with me too*
                          BUT DONT LET MECHANIC TO TUNE OR CHANGE AFR, just get it cleaned.
                          Edit:
                          On the other note, i hope you changed engine oil after storage.
                          Ok. i'll get the jets cleaned up, and yes.. the first thing i did after taking it out from storage was to give it for a thorough water wash and the engine oil changed.

                          Whenever i go to a mechanic, he says I've Tuned your engine sir, it will give super mileage from now... and stuff like that.. i never tell them to touch the carb at all. they do it at their own will.
                          Last edited by gamer.gautam; 06-05-2012, 10:29 AM.
                          Every BIKE has a lot of speed in it. The trick is getting the speed out of it.

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                          • #14
                            I had read in Hunk/Xtreme ownership thread (posted by 'psr') that idle rpm fluctuation can be related to cracks/holes in air hose from air filter to carb. Please check the below link.

                            CBZ xtreme / Hunk - xBhp.com : The Global Indian Biking Community
                            http://www.xbhp.com/talkies/motorcycle-ownership-experiences/5034-cbz-extreme-hunk-473.html
                            Share what you think about the motorcycle you own or have owned in the past.

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                            • #15
                              Originally posted by Honda_CBF View Post
                              to access jets one need not touch AFR screw. Just open the lower part (float bowl) by unscrewing 3 or 4 screws, un-mount the float and done. Next thing you'll see are jets & fuel valve.
                              When asked to tune i saw my mechanic removing th AFR screw and cleaning it, so i thought its the idle jet.Maybe it is different in different carbs??????
                              Invitation link to join Zurker Beta, "A social network which you can own"
                              http://www.zurker.in/i-96735-fahbqvzxpo

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