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**krish2778** · 05-12-2015, 01:38 PM

Re: Honda CBR 250R

Originally posted by Harisankar View Post

I covered 1800 kms total on my cbr. I always use full face helmet while riding but last week I rode it wearing a half face helmet. then I could hear a slight rattling/knocking kind of sound from engine side once I cross 5.5rpm and above. No vibration at all in any rpms, but this sound which audible only with half face helmet. So i checked with Karthik (known good tech for cbr -in Tansi Honda, Bangalore), and he said its normal and its the sound of bearing. Still I would like to know most of us familiar with this or its only on my bike.

Hey I know that guy, did you go to the Hoodi Tansi honda ?

BTW, when teh chain is dirty or loose, it tends to give a scraping/rattling sound on acceleration.

Do have a look if its that, or if the front sprocket is filled with gunk.

Cheers
Ride Safe
Krishna

**Harisankar** · 05-12-2015, 01:45 PM

Re: Honda CBR 250R

Originally posted by krish2778 View Post

Hey I know that guy, did you go to the Hoodi Tansi honda ?

BTW, when teh chain is dirty or loose, it tends to give a scraping/rattling sound on acceleration.

Do have a look if its that, or if the front sprocket is filled with gunk.

Cheers
Ride Safe
Krishna

He is in Tansi honda showroom at whitefield road now not in Hoodi. I given the bike for chain lube and this issue. They do chain clean and lube for Rs200. He took a test ride after chain lubing and said sound is normal above 5K rpm. I can feel that sound after chain lube too and I think the sound comes from somewhere below the tank or top portion of engine. since he is good with CBR, I concluded its the nature of this bike

. Its not an irritating or loud sound but I didn't find it on other bikes while revving..next time, I will ask for the test ride bike to check this

.

**krish2778** · 05-12-2015, 03:10 PM

Re: Honda CBR 250R

Originally posted by Harisankar View Post

He is in Tansi honda showroom at whitefield road now not in Hoodi. I given the bike for chain lube and this issue. They do chain clean and lube for Rs200. He took a test ride after chain lubing and said sound is normal above 5K rpm. I can feel that sound after chain lube too and I think the sound comes from somewhere below the tank or top portion of engine. since he is good with CBR, I concluded its the nature of this bike

. Its not an irritating or loud sound but I didn't find it on other bikes while revving..next time, I will ask for the test ride bike to check this

.

Yeah, Whitefield road is the same as the Hoodi, Tansi has opened a new svc at Marthahalli bridge also.
The guy is good at his work, but I do not think the sound is normal, I do not have any such problem with such sound, when the chain is loose i have that sound, once that is cleaned and tightened its goes away for me.

Cheers
Ride Safe
Krishna

**Harisankar** · 05-12-2015, 03:28 PM

Re: Honda CBR 250R

Originally posted by krish2778 View Post

Yeah, Whitefield road is the same as the Hoodi, Tansi has opened a new svc at Marthahalli bridge also.
The guy is good at his work, but I do not think the sound is normal, I do not have any such problem with such sound, when the chain is loose i have that sound, once that is cleaned and tightened its goes away for me.

Cheers
Ride Safe
Krishna

Ya. I took my bike from marathhalli showroom. but this person is there in showroom on the way between marathalli and forum mall whitefield. not at the showroom near hoodi circle. where are u in Bangalore? I stay near marthahalli. Krishna, Can we meet if possible?

**krish2778** · 05-12-2015, 03:37 PM

Re: Honda CBR 250R

Originally posted by Harisankar View Post

Ya. I took my bike from marathhalli showroom. but this person is there in showroom on the way between marathalli and forum mall whitefield. not at the showroom near hoodi circle. where are u in Bangalore? I stay near marthahalli. Krishna, Can we meet if possible?

Oh, I wasn't aware of Tansi having showroom between Marthahalli and Forum value. Nice to hear that.

And I live at ITPL, near the ParkSquare mall. Sure we can meet someday. Do PM me when you are free. We can work something out.

Cheers
Ride Safe
Krishna

**New guy** · 05-12-2015, 03:39 PM

Re: Honda CBR 250R

Originally posted by krish2778 View Post

We all know for a fact that most online magazines comparos are not worth the time we take to watch those.
They even will compare apples and oranges if it means that people will come and watch their videos, why pollute our threads with such discussions, let's keep it clean guys.!!

Cheers
Ride Safe
Krishna

Yes. Their criteria for model selection for comparisons may not have a solid thought process behind it but many buyers in India do compare bikes only on basis on price vicinity and/cc only. So they're basically dishing out what a majority of the motorcycle buying public in our country looks for.

**krish2778** · 05-12-2015, 03:42 PM

Re: Honda CBR 250R

Originally posted by New guy View Post

Yes. Their criteria for model selection for comparisons may not have a solid thought process behind it but many buyers in India do compare bikes only on basis on price vicinity and/cc only. So they're basically dishing out what a majority of the motorcycle buying public in our country looks for.

True indeed, but the way I see it, we here see above that lame comparisons , that's part of the reason we are here. So why waste time talking about those mindless comparos afterall.

Cheers
Ride Safe
Krishna

**Harisankar** · 05-12-2015, 03:48 PM

Re: Honda CBR 250R

Originally posted by krish2778 View Post

Oh, I wasn't aware of Tansi having showroom between Marthahalli and Forum value. Nice to hear that.

And I live at ITPL, near the ParkSquare mall. Sure we can meet someday. Do PM me when you are free. We can work something out.

Cheers
Ride Safe

Krishna

Sure. Thanks

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

Originally posted by krish2778 View Post

Oh, I wasn't aware of Tansi having showroom between Marthahalli and Forum value. Nice to hear that.

And I live at ITPL, near the ParkSquare mall. Sure we can meet someday. Do PM me when you are free. We can work something out.

Cheers
Ride Safe

Krishna

Sure. Thanks

**Iam_Hoodi_CBR** · 05-12-2015, 04:25 PM

Re: Honda CBR 250R

Originally posted by Harisankar View Post

I covered 1800 kms total on my cbr. I always use full face helmet while riding but last week I rode it wearing a half face helmet. then I could hear a slight rattling/knocking kind of sound from engine side once I cross 5.5k rpm and above. No vibration at all in any rpms, but this sound which audible only with half face helmet. So i checked with Karthik (known good tech for cbr -in Tansi Honda, Bangalore), and he said its normal and its the sound of bearing. Still I would like to know most of us familiar with this or its only on my bike.

Hi Harisankar,

Even I have similar observations like yours. When going past 5k rpm that sound is audible when my ears are not blocked(read flip helmet with open chin gaurd

).

But this sound is only present in my bike during hard acceleration and not any other times. And as usual it's considered as normal by many CBR technicians.

I have have clocked 17k Kms and I observed this sound only when I flip up my helmet and accelerate hard.

Ram Kumar

Sent from my C1904

**Harisankar** · 05-12-2015, 05:11 PM

Re: Honda CBR 250R

Originally posted by Iam_Hoodi_CBR View Post

Hi Harisankar,

Even I have similar observations like yours. When going past 5k rpm that sound is audible when my ears are not blocked(read flip helmet with open chin gaurd

).

But this sound is only present in my bike during hard acceleration and not any other times. And as usual it's considered as normal by many CBR technicians.

I have have clocked 17k Kms and I observed this sound only when I flip up my helmet and accelerate hard.

Ram Kumar

Sent from my C1904

yes. that's pretty same as what I said. it only happens when giving throttle or holding at some point above 5.5K rpm. In my case, no need of hard acceleration, slowly sound occurs even if opens the throttle gently. its audible with open face helmet or when visor opened. so it might be the character of this bike and I am new to this.

**New guy** · 05-12-2015, 05:44 PM

Re: Honda CBR 250R

Originally posted by Harisankar View Post

yes. that's pretty same as what I said. it only happens when giving throttle or holding at some point above 5.5K rpm. In my case, no need of hard acceleration, slowly sound occurs even if opens the throttle gently. its audible with open face helmet or when visor opened. so it might be the character of this bike and I am new to this.

At what rpm do you shift?

I had this noise when i used to shift up at rpm lower than 4000. Slowly started increasing the shifting up rpm till 6000 and the noise vanished.

P.S. Anyone experienced a different nature of power delivery after crossing 30k kms??

**Harisankar** · 05-12-2015, 06:10 PM

Re: Honda CBR 250R

Originally posted by New guy View Post

At what rpm do you shift?

I had this noise when i used to shift up at rpm lower than 4000. Slowly started increasing the shifting up rpm till 6000 and the noise vanished.

I normally shift up at 4500-5000 rpm when riding relax. else may be at 6K occasionally. but this is not related to shifting in my case, I can hear this sound if I revup to above 5.5K rpm in any gear.

**Divya Sharan** · 05-12-2015, 06:20 PM

Re: Honda CBR 250R

Originally posted by Harisankar View Post

I normally shift up at 4500-5000 rpm when riding relax. else may be at 6K occasionally. but this is not related to shifting in my case, I can hear this sound if I revup to above 5.5K rpm in any gear.

Valve clearances maybe!

**Dandamudi Mohan Krishna** · 05-13-2015, 12:36 PM

Re: Honda CBR 250R

Some guys asked clearer pictures of my bike so posting them.

Sent from my iPhone using Tapatalk

**New guy** · 05-13-2015, 01:50 PM

Re: Honda CBR 250R

Originally posted by Dandamudi Mohan Krishna View Post

Some guys asked clearer pictures of my bike so posting them.

Wow, Wallpaper material![emoji106]

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