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Yamaha YZF-R15

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  • #19261
    hello ,last week i changed my fork oil and fill it again to 240 ml in left and 240 ml on right fork as per the service manual.
    now the problem i am facing is that the fork feel too soft it has lost the stiffness it used to offer earlier,due to which during harsh braking the fork pumps in inside too quickly,so the braking confidence is also lacking. i even check it with my friends new bike the fork has less stiffness and it even act strange on rough road !
    1)so is advisable to top up with additional 5-10 ml of more fork oil ?
    2)why is this happening as i filled the oil to company's specification?

    Comment

    • #19262
      Re: Yamaha YZF-R15

      Originally posted by Vinit S View Post
      hello ,last week i changed my fork oil and fill it again to 240 ml in left and 240 ml on right fork as per the service manual.
      now the problem i am facing is that the fork feel too soft it has lost the stiffness it used to offer earlier,due to which during harsh braking the fork pumps in inside too quickly,so the braking confidence is also lacking. i even check it with my friends new bike the fork has less stiffness and it even act strange on rough road !
      1)so is advisable to top up with additional 5-10 ml of more fork oil ?
      2)why is this happening as i filled the oil to company's specification?

      240ml ? really? Because my fazer needs 525ml of oil for a single fork.
      Please check the service manual again.

      Sent from my WT19i
      Yamaha YZF-R15

      Riding a motorcycle is like living in a video game where people are trying to kill you.

      Rjays swift riding jacket reviewed in detail || Cramster twister gloves reviewed

      Comment

      • #19263
        Originally posted by mpasanthosh View Post
        Hi Guys,

        I have just bought my R15 v2.0 Ltd White and have a few queries regarding the run in period.
        My bike has done 190 kms,it revs freely between the 3k-4k rpm range, but then when it increases beyond 4K RPM(4300-4400) ,the engine is not smooth like as it was within the 3K-4K RPM range.
        i know the R15 is a rev happy bike but is this the way it will behave during the run in period...am just worried about this.
        Please also let me know if the oil and the oil filter has to be changed too.
        I have also not crossed the 5K RPM.
        Congrats dude for the new bike, and welcome to the club.
        Regarding the engine as all suggested you need to give it the time to set itself. Also dont ride at more than 5k RPM for atleast 1000kms. I followed this advice and the engine is smooth as butter.
        Cheers
        Vish

        Comment

        • #19264
          240ml ? really? Because my fazer needs 525ml of oil for a single fork.
          Please check the service manual again.
          yes sir i have double checked the service manual it says -240 cm3 (cubic centimeter) which is equivalent to 240 ml
          check on service manual of Yamaha R15 page no-144
          i have also check the conversion of Cm3 to ml it says 1Cm3 =1ml

          please help me about the issue!

          Comment

          • #19265
            How many kms done on the odo brother and also did you check the spring is it fine.... and any particular reason that you got it changed.


            Originally posted by Vinit S View Post
            hello ,last week i changed my fork oil and fill it again to 240 ml in left and 240 ml on right fork as per the service manual.
            now the problem i am facing is that the fork feel too soft it has lost the stiffness it used to offer earlier,due to which during harsh braking the fork pumps in inside too quickly,so the braking confidence is also lacking. i even check it with my friends new bike the fork has less stiffness and it even act strange on rough road !
            1)so is advisable to top up with additional 5-10 ml of more fork oil ?
            2)why is this happening as i filled the oil to company's specification?

            Save the Earth - We are the one who are running out of time, as Earth will take it own time to heal but that time may not be enough for us.

            http://www.ridesafewith.me
            I dont just ride my bikes, I live with them.
            Yamaha RX100 (1987 model)
            Yamaha YZF R15 (2010 model)
            Hero Impulse (2012 model)
            Mahindra Thar (2015 model)
            GIRed 2012

            Comment

            • #19266
              Originally posted by Shivanshu View Post
              How many kms done on the odo brother and also did you check the spring is it fine.... and any particular reason that you got it changed.
              15000km on odo , i suppose 12k in where we should change the fork oil, that why i changed it, springs and seals also in good condition
              also the cone set is new and properly adjusted,
              so this problem started after changing the fork oil!
              please help!

              Comment

              • #19267
                Do free flow exhausts (dagrex, joel, leo vince) pass pollution check?

                Comment

                • #19268
                  Originally posted by incipient View Post
                  Do free flow exhausts (dagrex, joel, leo vince) pass pollution check?
                  i have the raceconcepts exhaust and it does pass PUC test.
                  Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming, 'Wow! What a Ride!' -Hunter S. Thompson

                  Comment

                  • #19269
                    Originally posted by Vinit S View Post
                    springs and seals also in good condition. also the cone set is new and properly adjusted,
                    so this problem started after changing the fork oil
                    If so, add a little more oil. It reduces the compressible air and stiffens the fork.

                    Comment

                    • #19270
                      Originally posted by Vinit S View Post
                      15000km on odo , i suppose 12k in where we should change the fork oil, that why i changed it, springs and seals also in good condition
                      also the cone set is new and properly adjusted,
                      so this problem started after changing the fork oil!
                      please help!
                      Yes as Vasu said buy another bottle of the Fork Oil and tell your mechanic to put it in both the Shockers equally. And then let us know. After putting the Fork Oil pump the shockers by applying front brake and see if it gets better. Also you can take for a spin and apply front brakes and check if everything is working all well or not

                      Save the Earth - We are the one who are running out of time, as Earth will take it own time to heal but that time may not be enough for us.

                      http://www.ridesafewith.me
                      I dont just ride my bikes, I live with them.
                      Yamaha RX100 (1987 model)
                      Yamaha YZF R15 (2010 model)
                      Hero Impulse (2012 model)
                      Mahindra Thar (2015 model)
                      GIRed 2012

                      Comment

                      • #19271
                        Originally posted by Shivanshu View Post
                        Yes as Vasu said
                        Objection, Sir. Please don’t change my name.
                        Last edited by punarvasu; 01-25-2013, 12:50 AM.

                        Comment

                        • #19272
                          I am sorry I just wrote last 4 alphabets of your name, never meant any personal offence

                          Save the Earth - We are the one who are running out of time, as Earth will take it own time to heal but that time may not be enough for us.

                          http://www.ridesafewith.me
                          I dont just ride my bikes, I live with them.
                          Yamaha RX100 (1987 model)
                          Yamaha YZF R15 (2010 model)
                          Hero Impulse (2012 model)
                          Mahindra Thar (2015 model)
                          GIRed 2012

                          Comment

                          • #19273
                            Originally posted by Shivanshu View Post
                            Yes as Vasu said buy another bottle of the Fork Oil and tell your mechanic to put it in both the Shockers equally. And then let us know. After putting the Fork Oil pump the shockers by applying front brake and see if it gets better. Also you can take for a spin and apply front brakes and check if everything is working all well or not
                            thanks "punarvasu","Shivanshu" for help will try your Technic this sunday !
                            so how much exactly i should add in each fork 5 ml or 10 ml?

                            My home made LED tail light
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                            Last edited by Vinit S; 01-26-2013, 09:04 PM.

                            Comment

                            • #19274
                              Hey guys, originally posted in V2 forum but no replies there, so please help me out on this.

                              I am tempted to use K&N rc1100 because of the sound K&N offers. But am well aware of the ill effects also, so this is wt i have thought off. Use RC-1100 right on the pipe itself, in side the Air Box, then use the stock filter on the top so that extra air could not enter air. In simple words i plan to add RC-1100 inside the stock Air intake system on my V2.

                              Can you guys suggest if this is a good or bad idea...?

                              Comment

                              • #19275
                                Yamaha YZF-R15

                                ^^^ all you are doing is adding more resistance to air flow. The consequence will be drop in performance as air will not flow efficiently.
                                Only a biker knows why a dog sticks his head out of a car window.

                                Multum in Parvo - Much in Little

                                "Yes, it is FAST! No, you CAN'T ride it!" - http://www.xbhp.com/talkies/general-...a-300-san.html

                                Comment

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