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R15 pick up sluggish due to improper break-in ?

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  • #1

    R15 pick up sluggish due to improper break-in ?

    I recently purchased my first bike, a Yamaha R15 Adrenaline Red. I had only basic experience in riding bikes and even less of how to properly break-in a demanding bike like the R15.

    It might have been my fear to twist the throttle, but I dont remember going past the 4.5k mark for the first 1000 kms. But now as I reach the 6k km mark, Im gaining confidence of my abilities to handle the potential of the R15's engine.

    But compared to the CBR 150, I feel that my R15 is significantly sluggish in the lower RPMs. I know that the R15 shines about 7K RPM, but is the difference that noticeable at lower rev ranges ?

    My roommate also has the same R15, recently crossed the 1k km mark. Ill compare my pickup at lower ranges with his and update it tomorrow.

    Is a lower pick up for a R15 normal ? or was my break-in too soft ?
    Am I being delusional ? Or do I have something to be concerned about ?

    I do have an amazing mileage of 55 - 58 kmpl though
    Tags: break in, cbr, r15
  • #2
    Re: R15 pick up sluggish due to improper break-in ?

    Thread approved!

    The difference wouldn't be night and day. I would suggest you check the tire pressure, air filter condition (since you have crossed 6k km) and not be too gentlemanly with the throttle while checking for your ride's acceleration figures.

    P.S - find yourself an open stretch of road devoid of traffic to do this.
    Got a $5 head? Get a $5 helmet.
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    • #3
      Re: R15 pick up sluggish due to improper break-in ?

      Originally posted by Vetox View Post
      ...
      My roommate also has the same R15, recently crossed the 1k km mark. Ill compare my pickup at lower ranges with his and update it tomorrow.
      Your roommate has another R15 and you've not yet cross-checked?
      Originally posted by Vetox View Post
      ...
      I do have an amazing mileage of 55 - 58 kmpl though
      Going by the public poll avg mileage is around 40 kmpl
      Yamaha YZF-R15 version 2.0 - View Poll Results
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      • #4
        Re: R15 pick up sluggish due to improper break-in ?

        When you say low pickup at lower RPM what RPM are you referring to?
        Check the Idle RPM of the CBR and compare it to yours.

        Also, If I'm not wrong CBR has more Low end torque whereas R15 has more torque on mid to high RPM range.

        Regardless of this, R15 has less torque at 3k and below.
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        • #5
          Re: R15 pick up sluggish due to improper break-in ?

          Originally posted by Gollum View Post
          Also, If I'm not wrong CBR has more Low end torque whereas R15 has more torque on mid to high RPM range.
          Not really. Both bikes are kinda dead in low revs.

          Talking of just peak torque figures:
          CBR 150R (which the OP has compared his bike to) - 12.66 Nm@8500 rpm
          YZF R15 - 15 Nm@7500 rpm
          Last edited by Divya Sharan; 10-06-2016, 11:32 AM.
          Got a $5 head? Get a $5 helmet.
          Because everyone who passes, isn't a martyr!

          Bullet Service Guide CBR 250R Parts Manual Fz16 service manual - https://drive.google.com/file/d/0B1-...VFQmJzakk/view
          Hero Moto Corp Bikes' Parts RE STD 350 Wiring Diagram (CI) Service Manual - Classic 350/500
          ZMR parts - https://drive.google.com/file/d/0B-U...it?usp=sharing
          P200NS Spares' prices - https://docs.google.com/spreadsheet/...taGd5R2c#gid=0

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          • #6
            Re: R15 pick up sluggish due to improper break-in ?

            Compared to CBR? Really. I and my friend tried both r15 n CBR, even exchanging them for consistency. R15 was always ahead uptill 60kmph. Then things wave back and forth. I think you drove it like a commuter. Find a good free highway and try the racing DNA, where you actually knock it over 9k rpms before shifting, you'll see that you own a different machine.

            Unsaid, r15 and CBR have these 2 modes. Commuter mode until 5-6k rpm where they drive like a good little fz or hornet. Performance mode where the engines wake up to what their brochures promise.

            I think (like I did for 2k kms) you've got accustomed to the commuter mode and are finding it a little odd to be revving high. Go on a long drive with decent roads and you'll start thinking of r15 as something different.
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            • #7
              Re: R15 pick up sluggish due to improper break-in ?

              Originally posted by Gollum View Post
              When you say low pickup at lower RPM what RPM are you referring to?
              Check the Idle RPM of the CBR and compare it to yours.

              Also, If I'm not wrong CBR has more Low end torque whereas R15 has more torque on mid to high RPM range.

              Regardless of this, R15 has less torque at 3k and below.
              Lower RPM as in 4k to around 6k.

              Comment

              • #8
                Re: R15 pick up sluggish due to improper break-in ?

                Originally posted by Gollum View Post
                When you say low pickup at lower RPM what RPM are you referring to?
                Check the Idle RPM of the CBR and compare it to yours.
                Lower RPM as in 4k to around 6k.

                Originally posted by SparKot View Post
                Your roommate has another R15 and you've not yet cross-checked?
                I just checked and even swapped our bikes for consistency. I'd peg mine as definitely being sluggish. The road didn't permit riding at >6 k RPM but up to that mark, mine was sluggish compared to his. Not by a huge margin, but definitely slightly sluggish.

                He only today crossed the 1k mark and that's why I didn't.
                --------------
                [MENTION=41586]Divya Sharan[/MENTION]..... Completely opening up on the throttle up to 9K RPMs does quickly bring me up to the 100s. But its the lower end of the rev range which I am worried about.

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                • #9
                  Re: R15 pick up sluggish due to improper break-in ?

                  Originally posted by Vetox View Post
                  --------------
                  @Divya Sharan..... Completely opening up on the throttle up to 9K RPMs does quickly bring me up to the 100s. But its the lower end of the rev range which I am worried about.
                  Brother, the R15's engine is asleep till about 5-6k rpm. It will behave like a splendor. Nothing to worry about, all R15s do that. As you have said that letting it rev freely takes you to the triple digit speeds prove that the bike is fine. You are worrying too much for nothing. A sport bike is always tuned to make power a high rpms, so you have to rev the nuts off it, to unleash the true potential. Had there been any problem with the bike, it would not perform well at high rpms. So knock the worry out of your head and enjoy the ride.
                  I would like to thank my legs for supporting me, my arms for being always by my side and my fingers; I could always count on them.

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                  • #10
                    Re: R15 pick up sluggish due to improper break-in ?

                    [MENTION=69523]Ankey[/MENTION] Thanks for the reassurance.

                    What would be the best RPMs to shift at to achieve optimum acceleration ?
                    Is it advisable to rev up to the limiter before shifting or to shift well before the redline ? I find that cutting it too close to the redline always makes me hit the rev-limiter.

                    Comment

                    • #11
                      Re: R15 pick up sluggish due to improper break-in ?

                      Originally posted by Vetox View Post
                      @Ankey Thanks for the reassurance.

                      What would be the best RPMs to shift at to achieve optimum acceleration ?
                      Is it advisable to rev up to the limiter before shifting or to shift well before the redline ? I find that cutting it too close to the redline always makes me hit the rev-limiter.

                      Happy to help brother,
                      Well I am a pretty sedate rider, so I usually cruise at around 6-7k rpm. So most of the time(daily commute), I shift between 6-7k rpm.

                      Very occasionally when I am in the mood, I take it up to around 8k and then shift(just so that I may not to hit the limiter).

                      But reading your posts, you seem to be a good calm rider, so don't worry too much, there is no hard and fast rule about it, shift when you feel like it (avoid the limiter if possible).
                      Be safe on the roads and keep others safe as well.
                      I would like to thank my legs for supporting me, my arms for being always by my side and my fingers; I could always count on them.

                      Comment

                      • #12
                        Re: R15 pick up sluggish due to improper break-in ?

                        put V1's 14T front sprocket and you won't have any sluggishness. Or always be above 5k rpm.
                        Yamaha YZF-R15

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                        • #13
                          Re: R15 pick up sluggish due to improper break-in ?

                          Originally posted by christo View Post
                          put V1's 14T front sprocket and you won't have any sluggishness. Or always be above 5k rpm.
                          Won't that affect the top speed ?

                          Update : I find that I am sluggish in the lower ranges by a huge margin compared to my friends newer R15 which has done 1.5K on the ODO so far>

                          He has similar top speeds and yet enjoys much better pickup in the lower rev ranges under 6K RPM. I usually do get up to 5-6K RPM as soon as I can but I dont have the quickness in achieving that as he does.

                          What could be the possible reasons for this significantly reduced pick up ?
                          What should I have them check for in my third free service which is due in a few days ?

                          Comment

                          • #14
                            Re: R15 pick up sluggish due to improper break-in ?

                            Originally posted by Vetox View Post
                            Won't that affect the top speed ?

                            Update : I find that I am sluggish in the lower ranges by a huge margin compared to my friends newer R15 which has done 1.5K on the ODO so far>

                            He has similar top speeds and yet enjoys much better pickup in the lower rev ranges under 6K RPM. I usually do get up to 5-6K RPM as soon as I can but I dont have the quickness in achieving that as he does.

                            What could be the possible reasons for this significantly reduced pick up ?
                            What should I have them check for in my third free service which is due in a few days ?

                            Looks like the riding styles are different. The bike will tune to the riding style based on throttle control, rev rpm, gear shifting. If the riding style is simply a commuter mode like changing gears based on speed rather than rpm, than the bike pick up will behave differently. If the riding style changes to sports like, I believe R15 will behave differently. Ankey rightly pointed out I think in this post:


                            But reading your posts, you seem to be a good calm rider, so don't worry too much, there is no hard and fast rule about it, shift when you feel like it (avoid the limiter if possible).
                            Be safe on the roads and keep others safe as well.
                            My two cents
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                            Comment

                            • #15
                              Re: R15 pick up sluggish due to improper break-in ?

                              Originally posted by mknaidu11 View Post
                              Looks like the riding styles are different. The bike will tune to the riding style based on throttle control, rev rpm, gear shifting. If the riding style is simply a commuter mode like changing gears based on speed rather than rpm, than the bike pick up will behave differently. If the riding style changes to sports like, I believe R15 will behave differently. Ankey rightly pointed out I think in this post:

                              My two cents
                              Thanks for the reply,

                              Yes, we initially did have different riding styles. I was more timid (too timid actually until 1000kms), but now that I'm more confident and am riding like a normal person, I would like the added pick up at the lower ranges.

                              Im talking about significantly lower RPM gains until 6K to 7K. You can see why this would concern me. Anyone who rides my bike feels the same way. I can definitely feel his bike kicking me back whenever I twist it. I don't get that kick in my R15 until I reach > 7K on the tachometer.

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