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KTM Duke 390 - Ownership Reviews and Experiences

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  • #10111
    Re: KTM Duke 390 - Ownership Reviews and Experiences

    Originally posted by Imam Jafer Ali View Post
    Asked the same to head mechanic.
    Not mixing, the gasket not allowing the coolent to flow free. I guess It become weak over the usage.
    Bike is 1.7 yrs old done 44k kms
    Last time changed the coolent at 23k with new radiator since old one is broken.
    Now asked them to replace the coolent aswell.
    Though possible, I highly doubt the mechanic's say on this topic. Though coolant mixing will reduce the coolant level in the reserve tank, as it's just an expansion tank which is in fact caused by blown head gasket or crankcase sealant issues. Head gaskets cannot swell as these are steel gaskets. I'd definitely suggest you to get a second opinion about this at another SVC by making them check the thermostat first, and let's see what they have to offer.

    A blown head gasket will cause coolant to mix with oil and that's another misery to reckon with.

    Cheers!
    VJ
    Once upon a time, a guy asked a girl 'Will you marry me?'
    The girl said, 'NO!'


    And the guy lived happily ever after and rode motorcycles and watched sport on a big screen TV, went fishing and surfing, and played golf a lot, and drank beer and scotch and had tons of money in the bank and left the toilet seat up and farted whenever he wanted.


    THE END

    Comment

    • #10112
      Re: KTM Duke 390 - Ownership Reviews and Experiences

      Has anyone was able to source/replace the chain only on the Duke 390 ? Tried a quick search on this thread and was not able to find any.
      My bike has run only 9k on the current chain sprocket and has uneven chain tension. I need to check if only replacing the chain would help.

      KTM service center does not sell the chain separately. Any leads would help.

      Comment

      • #10113
        Re: KTM Duke 390 - Ownership Reviews and Experiences

        Originally posted by ganesh_bbr View Post
        Has anyone was able to source/replace the chain only on the Duke 390 ? Tried a quick search on this thread and was not able to find any.
        My bike has run only 9k on the current chain sprocket and has uneven chain tension. I need to check if only replacing the chain would help.

        KTM service center does not sell the chain separately. Any leads would help.

        Chains will always wear unevenly. As long as your the Chain Adjustment Markings are in the low to mid level and not at the end, there is nothing to worry about. As a default, the Duke's chain requires frequent maintenance at around 500 kms, and even less depending on the conditions. Here maintenance pertains to cleaning, lubing the chain periodically and checking them for the right slackness.

        Cheers!
        VJ
        Once upon a time, a guy asked a girl 'Will you marry me?'
        The girl said, 'NO!'


        And the guy lived happily ever after and rode motorcycles and watched sport on a big screen TV, went fishing and surfing, and played golf a lot, and drank beer and scotch and had tons of money in the bank and left the toilet seat up and farted whenever he wanted.


        THE END

        Comment

        • #10114
          Re: KTM Duke 390 - Ownership Reviews and Experiences

          Originally posted by B7ACKTHORN View Post
          Though possible, I highly doubt the mechanic's say on this topic. Though coolant mixing will reduce the coolant level in the reserve tank, as it's just an expansion tank which is in fact caused by blown head gasket or crankcase sealant issues. Head gaskets cannot swell as these are steel gaskets. I'd definitely suggest you to get a second opinion about this at another SVC by making them check the thermostat first, and let's see what they have to offer.

          A blown head gasket will cause coolant to mix with oil and that's another misery to reckon with.

          Cheers!
          VJ
          I have asked head mechanic clearly

          Is this a coolent mixing issue
          He said "No if so coolent will get reduced"

          Does the thermostat is gone kaput
          He said "if so there will no bars in temp guage"

          He know very well about the issue and what happened to the gasket or something but not good in conveying to me even though I have asked him multiple times [emoji16]

          Some extra points to note,
          Last time I toped-up the coolent at svc during general service (2 months before).
          After that I have checked periodically it's within the range.
          The first time it showed the High coolent temperature I let it cool full night and then checked the coolent level. It was full not by small amount but till reservoir neck and I removed the extra coolent.
          Instagram Xpulse Review Blog

          Comment

          • #10115
            Re: KTM Duke 390 - Ownership Reviews and Experiences

            Originally posted by Imam Jafer Ali View Post
            Does the thermostat is gone kaput
            He said "if so there will no bars in temp guage"
            A classic case, we have here. The temp gauge shows the bars according to the CTS located to the right side of the cylinder, the ECU reads and interprets then sends the information to the dash and you read them as bars. The thermostat in no way hinders any parameters of the bars w.r.t the display, purely a misinformed mechanic. Though his experience on hand might differ, and he might be right. The initial prognosis is critical as that is what paves way either this or that.

            Best of luck! Do keep your observations posted.

            Cheers!
            VJ
            Once upon a time, a guy asked a girl 'Will you marry me?'
            The girl said, 'NO!'


            And the guy lived happily ever after and rode motorcycles and watched sport on a big screen TV, went fishing and surfing, and played golf a lot, and drank beer and scotch and had tons of money in the bank and left the toilet seat up and farted whenever he wanted.


            THE END

            Comment

            • #10116
              Re: KTM Duke 390 - Ownership Reviews and Experiences

              Originally posted by B7ACKTHORN View Post
              A classic case, we have here. The temp gauge shows the bars according to the CTS located to the right side of the cylinder, the ECU reads and interprets then sends the information to the dash and you read them as bars. The thermostat in no way hinders any parameters of the bars w.r.t the display, purely a misinformed mechanic. Though his experience on hand might differ, and he might be right. The initial prognosis is critical as that is what paves way either this or that.

              Best of luck! Do keep your observations posted.

              Cheers!
              VJ
              Yea he said it's a rare case!
              Instagram Xpulse Review Blog

              Comment

              • #10117
                Re: KTM Duke 390 - Ownership Reviews and Experiences

                Originally posted by B7ACKTHORN View Post
                A classic case, we have here. The temp gauge shows the bars according to the CTS located to the right side of the cylinder, the ECU reads and interprets then sends the information to the dash and you read them as bars. The thermostat in no way hinders any parameters of the bars w.r.t the display, purely a misinformed mechanic. Though his experience on hand might differ, and he might be right. The initial prognosis is critical as that is what paves way either this or that.

                Best of luck! Do keep your observations posted.

                Cheers!
                VJ
                How liquid cooling works: https://youtu.be/y5p31F_dVJU

                After Watching this video and I too doubt the thermostat might be faulty.

                I called the head mechanic today and said "Shall we try changing the thermostat to fix the issue" He says "thermostat won't go faulty at all, I have replaced thermostat only if it's broken"

                Then I said my experienced friends are suggesting to try changing the thermostat or radiator pressure cap. He says "if radiator pressure cap is the issue then bike won't start at all. Head gasket is the issue dont worry I will takecare"

                I'm really confused!

                Yesterday when I gave my bike to SVC. The marked spot in the picture is the shown by the mechanic and said "need to be opened and gasket should be changed"
                Instagram Xpulse Review Blog

                Comment

                • #10118
                  Re: KTM Duke 390 - Ownership Reviews and Experiences

                  Originally posted by Imam Jafer Ali View Post
                  I called the head mechanic today and said "Shall we try changing the thermostat to fix the issue" He says "thermostat won't go faulty at all, I have replaced thermostat only if it's broken"
                  are you sure the oil and coolant aren't mixing ? because a head gasket failure is mostly cause this to happen. drain some oil and check.
                  did you put the bike on idle and let it run for a few minutes until the fan kicks in / the warning comes on. you could do this with their diag tool connected and that will give you information as to at what temp the fan kicks in and maybe also some diagnostic info/warning.
                  and while your at it, do get the valve/head cover gasket also replaced! some of these mechs simply apply that sealant from the outside like patching work

                  Comment

                  • #10119
                    Re: KTM Duke 390 - Ownership Reviews and Experiences

                    Originally posted by s1d View Post
                    are you sure the oil and coolant aren't mixing ? because a head gasket failure is mostly cause this to happen. drain some oil and check.
                    did you put the bike on idle and let it run for a few minutes until the fan kicks in / the warning comes on. you could do this with their diag tool connected and that will give you information as to at what temp the fan kicks in and maybe also some diagnostic info/warning.
                    and while your at it, do get the valve/head cover gasket also replaced! some of these mechs simply apply that sealant from the outside like patching work
                    The oil and coolent not mixing since the coolent level is not dropping and actually it's increased from the range I have seen before.

                    Yes, I did running the engine at idle and the fan kicks in at 8 bars, sure will check with diagnosing tool.

                    Yea am about to change the head cover gasket too.

                    Head gasket related to coolent issue by mean I guess mechanic pointing to "water pump sealent". Is it correct?
                    Instagram Xpulse Review Blog

                    Comment

                    • #10120
                      Re: KTM Duke 390 - Ownership Reviews and Experiences

                      Originally posted by Imam Jafer Ali View Post
                      Yes, I did running the engine at idle and the fan kicks in at 8 bars, sure will check with diagnosing tool

                      Head gasket related to coolent issue by mean I guess mechanic pointing to "water pump sealent". Is it correct?
                      not in terms on bars.. using the diag tool you can see the temp in C at which the fan kicks in.
                      i don't understand the last line of your post.. a head gasket failure (which is what you pointed out circled in your previous pic) will mostly cause the oil/coolant to mix. another possibility is the water pump seal which will also cause such issues.

                      Comment

                      • #10121
                        Re: KTM Duke 390 - Ownership Reviews and Experiences

                        Originally posted by s1d View Post
                        not in terms on bars.. using the diag tool you can see the temp in C at which the fan kicks in.
                        i don't understand the last line of your post.. a head gasket failure (which is what you pointed out circled in your previous pic) will mostly cause the oil/coolant to mix. another possibility is the water pump seal which will also cause such issues.
                        Will check with diag tool before and after the doing the replacement.

                        Okay got it, my friend confused me by saying both are same [emoji16]
                        Instagram Xpulse Review Blog

                        Comment

                        • #10122
                          Re: KTM Duke 390 - Ownership Reviews and Experiences

                          Originally posted by B7ACKTHORN View Post

                          Too tight a chain can cause a rumbling sensation under the footpeg that you've experienced. Nonetheless, vibrations are always present at a certain RPM for a single cylinder engine. Would suggest you to have a look at your chain, and check the chain tension for tautness. If it's on the spec, nothing to worry, if it's too tight, de-slack them a pinch, as it releases the stress on the driveline. Do keep your observations posted.

                          Cheers!
                          VJ
                          As you said, chain slackness was the culprit. Go it adjusted to the correct spec and now I can say that 80% of the vibrations are reduced.

                          Puneeth
                          Last edited by Puneeth max; 01-12-2018, 04:38 PM.
                          2009-2012 Apache RTR Fi (Sold)
                          2012-2014 Pulsar 180 (Sold)
                          2017- **** Duke 390

                          Comment

                          • #10123
                            Re: KTM Duke 390 - Ownership Reviews and Experiences

                            Originally posted by B7ACKTHORN View Post
                            Chains will always wear unevenly. As long as your the Chain Adjustment Markings are in the low to mid level and not at the end, there is nothing to worry about. As a default, the Duke's chain requires frequent maintenance at around 500 kms, and even less depending on the conditions. Here maintenance pertains to cleaning, lubing the chain periodically and checking them for the right slackness.

                            Cheers!
                            VJ
                            Thank you, I should have been more precise on my earlier question.
                            I understand the chain wears out unevenly, but this time it was too early and I have half adjustment left yet. The last 2 chains and the sprocket did not show such symptoms.

                            This time, since the bike was parked for a while without regular usage and improper maintenance of chain this is occurring.

                            My question again is, had someone sourced only the chain ? I am keen to replace only the chain and see what is exactly causing the issue.

                            Comment

                            • #10124
                              Re: KTM Duke 390 - Ownership Reviews and Experiences

                              Originally posted by ganesh_bbr View Post
                              Thank you, I should have been more precise on my earlier question.
                              I understand the chain wears out unevenly, but this time it was too early and I have half adjustment left yet. The last 2 chains and the sprocket did not show such symptoms.

                              This time, since the bike was parked for a while without regular usage and improper maintenance of chain this is occurring.

                              My question again is, had someone sourced only the chain ? I am keen to replace only the chain and see what is exactly causing the issue.
                              ktm doesn't sell just the chain or just the sprockets. the pulsar 220 chain is probably compatible but i think would fall short in length.
                              rather first check the condition of both the sprockets, post a pic here. give the chain a good scrub and wash with plenty of diesel and use a slightly thicker lube like 140 gear oil. i've recently found that using one of them fat paint brushes (the ones used for painting walls etc..) makes a great tool to clean and lube the chain.

                              Comment

                              • #10125
                                Re: KTM Duke 390 - Ownership Reviews and Experiences

                                Originally posted by ganesh_bbr View Post
                                Thank you, I should have been more precise on my earlier question.
                                I understand the chain wears out unevenly, but this time it was too early and I have half adjustment left yet. The last 2 chains and the sprocket did not show such symptoms.

                                This time, since the bike was parked for a while without regular usage and improper maintenance of chain this is occurring.

                                My question again is, had someone sourced only the chain ? I am keen to replace only the chain and see what is exactly causing the issue.
                                Hi there,
                                I have sourced the chain and front sprockets separately from ktm Noida.

                                The chain costs around 1900.

                                You can buy the chain separately or as part of the kit.

                                Comment

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