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Honda CBR 250R

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  • Re: Honda CBR 250R

    Originally posted by Dandamudi Mohan Krishna View Post
    HI,
    So today I noticed the radiator it looks pretty messed up but I don't feel any difference in driving.
    [ATTACH]225956[/ATTACH]

    Shall I change it or is this ok to operate ?

    P.S. My bike is 2011 model I don't recollect changing the radiator before.

    Regards,
    Mohan
    IMHO, change it only if you experience 4+ bars on the temp gauge.

    Comment


    • Re: Honda CBR 250R

      Originally posted by Dandamudi Mohan Krishna View Post
      HI,
      So today I noticed the radiator it looks pretty messed up but I don't feel any difference in driving.
      [ATTACH]225956[/ATTACH]

      Shall I change it or is this ok to operate ?

      P.S. My bike is 2011 model I don't recollect changing the radiator before.

      Regards,
      Mohan
      The cooling efficiency will be dropping in such cases.
      You can try straightening it out using safety pins or blades and all, or anyways its taken 6 years of abuse, might as well get a new one.

      Cheers
      Ride Safe
      Krishna
      --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

      Run-in Procedure | Power Loss Solutions | Riding Gears 101 | Biking Brotherhood

      P
      ulsar 220F
      |2013 Honda CBR250R|KTM Duke390|Yamaha R3|Yamaha R1|Triumph Tiger XRX

      Comment


      • Re: Honda CBR 250R

        Originally posted by leech View Post
        IMHO, change it only if you experience 4+ bars on the temp gauge.
        Well it never crosses 3 bars under any condition that's why I'm skeptic.

        ----consecutive posts auto-merged-----

        Originally posted by krish2778 View Post
        The cooling efficiency will be dropping in such cases.
        You can try straightening it out using safety pins or blades and all, or anyways its taken 6 years of abuse, might as well get a new one.

        Cheers
        Ride Safe
        Krishna
        I don't want to touch it because I know I will bend it even more and it costs 4200 bucks that's why I was checking if anyone in the forum has changed it after such conditions..
        Regards,
        Mohan

        Comment


        • Re: Honda CBR 250R

          Do you water wash often? How did your fins bend so much? Stone/gravel hits?

          Comment


          • Re: Honda CBR 250R

            Originally posted by Dandamudi Mohan Krishna View Post
            Well it never crosses 3 bars under any condition that's why I'm skeptic.

            ----consecutive posts auto-merged-----



            I don't want to touch it because I know I will bend it even more and it costs 4200 bucks that's why I was checking if anyone in the forum has changed it after such conditions..
            Regards,
            Mohan
            My bikes radiator is worse than yours, I did check with mech in SVC. If there is a problem with cooling change it is what he said. Temperature doesn't cross three bars for me.
            The only difference I feel now is that the fan spins for a longer time compared to before once I stop after a long drive.

            I will be visiting the SVC in the next week sometime and see what could be done about it.

            Comment


            • Re: Honda CBR 250R

              Originally posted by leech View Post
              Do you water wash often? How did your fins bend so much? Stone/gravel hits?
              It's 5+ (August 2011) year old bike and mostly its because of the mud and stones.

              Comment


              • Re: Honda CBR 250R

                Originally posted by Deathwing View Post
                For me its 111kmph at exactly 7000rpm I feel this is a sort of sweet spot, for my weight n height 6ft 2 , 95-100kgs.
                I second that. Even I found around 7000rpm to be the sweet spot on the highways.

                ----consecutive posts auto-merged-----

                Originally posted by Dandamudi Mohan Krishna View Post
                HI,
                So today I noticed the radiator it looks pretty messed up but I don't feel any difference in driving.
                [ATTACH]225956[/ATTACH]

                Shall I change it or is this ok to operate ?

                P.S. My bike is 2011 model I don't recollect changing the radiator before.

                Regards,
                Mohan
                Mine looks as messed up. Hope it doesn't cause issues.
                Help and get helped! Enrol for the All India Emergency Rescue System (AIERS), powered by the members of xBhp.

                Comment


                • Re: Honda CBR 250R

                  Originally posted by kannanmr16 View Post
                  My bikes radiator is worse than yours, I did check with mech in SVC. If there is a problem with cooling change it is what he said. Temperature doesn't cross three bars for me.
                  The only difference I feel now is that the fan spins for a longer time compared to before once I stop after a long drive.

                  I will be visiting the SVC in the next week sometime and see what could be done about it.
                  Originally posted by Dandamudi Mohan Krishna View Post
                  HI,
                  So today I noticed the radiator it looks pretty messed up but I don't feel any difference in driving.

                  Shall I change it or is this ok to operate ?

                  P.S. My bike is 2011 model I don't recollect changing the radiator before.

                  Regards,
                  Mohan
                  kannanmr16 precisely pointed what I had to explain. Though the temperature bars won't increase per se, you can see the fan working over time or kicking in frequently as opposed to the normal cycle. Though the radiator indeed is gummed up pretty bad. First I would suggest you to use a tooth brush with soft bristles, dampen the radiator with water and let it rinse for a while, say 2 to 10 mins, splash water generously on the radiator and then start scrubbing slowly. This is a tedious and a time consuming process to get good results. This should reduce the grime baked in and allow the radiator to transfer heat better, which in turn reduces the event of fan kicking in frequently.

                  Though I would recommend a radiator change, considering the age.

                  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


                  • Re: Honda CBR 250R

                    Originally posted by Saurabh_rf View Post
                    Why not wait for BSIV complaint engine? I guess honda will have to come with new engines starting this april? I'm planning to wait for it

                    Am waiting for past 5 months for a bike.. Also am not interested in picking up dual tone cbr, more interested in Repsol edition only..

                    Took a test ride of the new 200 NS, compared to what i had previously, new NS 200 has been tamed down a lot.. the engine grunt is not there and also the exhaust note is dull not pleasing.. Previous NS had a unique exhaust note...


                    Anyway its going to be the same CBR 250r, there wont be any changes to the performance department.. only the exhaust and AHO feature will be there.
                    Which is not a big deal for me..

                    No face lift will be there.. So no point in waiting for it.
                    Last edited by bondarun; 02-10-2017, 05:39 PM.

                    Comment


                    • Re: Honda CBR 250R

                      Originally posted by fertswitch View Post
                      I second that. Even I found around 7000rpm to be the sweet spot on the highways.

                      ----consecutive posts auto-merged-----



                      Mine looks as messed up. Hope it doesn't cause issues.
                      What mileage will you get when riding at constant 7k RPM?
                      and what is the economy RPM range?

                      Comment


                      • Re: Honda CBR 250R

                        Originally posted by IamAditya View Post
                        What mileage will you get when riding at constant 7k RPM?
                        and what is the economy RPM range?
                        There is no economy range here, but as always sedate riding gives better fuel economy.

                        If you are looking for mileage, you could keep it at 80@5k rpm in 6th gear. People have got more 40kmpl with that. Anything more, it will drop down. You could except around 30-34 around 100 speeds.
                        Last edited by kannanmr16; 02-10-2017, 06:30 PM.

                        Comment


                        • Re: Honda CBR 250R

                          Originally posted by kannanmr16 View Post
                          There is no economy range here, but as always sedate riding gives better fuel economy.

                          If you are looking for mileage, you could keep it at 80@4k rpm in 6th gear. People have got more 40kmpl with that. Anything more, it will drop down. You could except around 30-34 around 100 speeds.
                          Is CBR250 a very tall geared bike? Especially the 6th gear?

                          Comment


                          • Re: Honda CBR 250R

                            Originally posted by kannanmr16 View Post
                            There is no economy range here, but as always sedate riding gives better fuel economy.

                            If you are looking for mileage, you could keep it at 80@4k rpm in 6th gear. People have got more 40kmpl with that. Anything more, it will drop down. You could except around 30-34 around 100 speeds.
                            Sedate riding ie between 90 to 110 kmph, on highways yields 40+ kmpl for a good condition CBR.

                            Comment


                            • Re: Honda CBR 250R

                              Originally posted by IamAditya View Post
                              Is CBR250 a very tall geared bike? Especially the 6th gear?
                              Yes, it is quite tall geared, meant for cruising @ triple digit speeds.

                              Comment


                              • Re: Honda CBR 250R

                                Originally posted by IamAditya View Post
                                Is CBR250 a very tall geared bike? Especially the 6th gear?
                                Sorry had to edit my other post, it's 80@5k RPM 6th gear.6th gear alone takes me from 60 to 140kmph.

                                Comment

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