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Thread: R15 pick up sluggish due to improper break-in ?

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    Icon9 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

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    Moderator Divya Sharan's Avatar
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    Default 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.

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    Deflect & Punch SparKot's Avatar
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    Default Re: R15 pick up sluggish due to improper break-in ?

    Quote 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?
    Quote 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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    Casual rider Gollum's Avatar
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    Default 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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    Default Re: R15 pick up sluggish due to improper break-in ?

    Quote 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 [email protected] rpm
    YZF R15 - 15 [email protected] rpm
    Last edited by Divya Sharan; 10-06-2016 at 11:32 AM.

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    Default 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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    Default Re: R15 pick up sluggish due to improper break-in ?

    Quote 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.

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    Default Re: R15 pick up sluggish due to improper break-in ?

    Quote 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.

    Quote 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.
    --------------
    @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.

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    Default Re: R15 pick up sluggish due to improper break-in ?

    Quote 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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    Default Re: R15 pick up sluggish due to improper break-in ?

    @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.

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