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**theironhorse99** · 07-23-2012, 01:22 AM

Originally posted by yashwanthms View Post

Guys, my bike makes a sort of knocking sound when I release the throttle in 2nd or 3rd gear.. even when I ride a bit slow suddenly in those gears from some constant speeds.. its a mild knock, or kind of "tak" sound.. Is this common in all bikes? I have this issue from the first day..

try to figure out if its the front sprocket or the engine.. new sprockets do make a lil noise like tak when pulling or releasing throttle as engine braking is lil harsh and also the grooves are new on the sprockets.

how many km on the odo ?

**yashwanthms** · 07-23-2012, 01:36 AM

Originally posted by theironhorse99 View Post

try to figure out if its the front sprocket or the engine.. new sprockets do make a lil noise like tak when pulling or releasing throttle as engine braking is lil harsh and also the grooves are new on the sprockets.

how many km on the odo ?

2600 kms now..

**Nithesh** · 07-23-2012, 01:55 AM

Originally posted by yashwanthms View Post

Guys, my bike makes a sort of knocking sound when I release the throttle in 2nd or 3rd gear.. even when I ride a bit slow suddenly in those gears from some constant speeds.. its a mild knock, or kind of "tak" sound.. Is this common in all bikes? I have this issue from the first day..

I think you have answered ur own question there.

However to be sure of the cause, where do you hear it from? Engine area or the exhaust side?

**veryhiphop** · 07-23-2012, 10:10 AM

Originally posted by yashwanthms View Post

Guys, my bike makes a sort of knocking sound when I release the throttle in 2nd or 3rd gear.. even when I ride a bit slow suddenly in those gears from some constant speeds.. its a mild knock, or kind of "tak" sound.. Is this common in all bikes? I have this issue from the first day..

Knocking may also come if an adulterated petrol filled in the bike ....

**aargee** · 07-23-2012, 10:21 AM

Originally posted by yashwanthms View Post

Guys, my bike makes a sort...I have this issue from the first day..

Must be your riding style. What happens if you shift gears past 5K RPM in every gear? Does the knock still happen?

**yashwanthms** · 07-23-2012, 11:57 AM

Originally posted by aargee View Post

Must be your riding style. What happens if you shift gears past 5K RPM in every gear? Does the knock still happen?

It happens after 2.5rpm till around 5 rpm in 2nd and 3rd gears usually.. In 2nd gear, when I ride slowly in muddy roads around 3-4rpm usually for say 5 seconds, then if I release the throttle, then I get that mild knock..

**aargee** · 07-23-2012, 12:21 PM

Originally posted by yashwanthms View Post

It happens after 2.5rpm till around 5 rpm in 2nd and 3rd gears usually

5K RPM is concern; but what happens beyond?

Originally posted by yashwanthms View Post

In 2nd gear, when I ride slowly in muddy roads around 3-4rpm usually for say 5 seconds, then if I release the throttle, then I get that mild knock..

Knock or jerk?

**Nithesh** · 07-23-2012, 12:27 PM

Originally posted by yashwanthms View Post

It happens after 2.5rpm till around 5 rpm in 2nd and 3rd gears usually.. In 2nd gear, when I ride slowly in muddy roads around 3-4rpm usually for say 5 seconds, then if I release the throttle, then I get that mild knock..

so uve been riding at 2.5k from day 1? lugging ur engine from day one?

**aargee** · 07-23-2012, 12:29 PM

Originally posted by Nithesh View Post

so uve been riding at 2.5k from day 1? lugging ur engine from day one?

ROTFL!!!

I don't know why people refuse to search the older posts

**Eshan-P180** · 07-23-2012, 12:39 PM

Originally posted by aargee View Post

ROTFL!!!

I don't know why people refuse to search the older posts

And i dont know why you dont have that post link as your signature, since you are an active member here and keep reminding others about it, is it the increase in your post count numbers or actually you still not getting it after being reminded several times.

Easy to point fingers at others. Go quote this now

**GT007** · 07-23-2012, 12:54 PM

Somebody on a popular Car and bike TV show had asked questions about running in procedure for CBR 250R. I was amazed to hear the guys advise. He said ride below 2.5 k rpm and do not exceed 80 kmph!!

IMO 2.5 k rpm is too less and poor guy will end up lugging the engine!! Why can't they just read the owner manual??

**rajmadhawk** · 07-23-2012, 12:54 PM

Hi...

Just wanted to share my experience ..
I got my bike serviced & got the air and oil filter changed recently.
Post the service started noticing that the engine was mis timing .. I mean the even though I was pushing the throttle .. the bike was feeling sluggish.
So again had to give the bike to the service station... But this time around .. they kept the bike for almost three days at the end of which they said that they had changed the sims (not sure how its spelled).
But the problem still persisted .
So went in again and this time around was with them while they wer checking the electricals.. and the new installed air filter.

After amost 3 hours they finally decided to check the tank and the Fuel pump.. turns out the filter in the pump had some dust which was causing the mistiming ....

Hope this is useful if anyone is facing such an issue.

**somen1984** · 07-23-2012, 12:55 PM

Originally posted by theironhorse99 View Post

for FE on a 4 lane.. we did 130-140 all the way for 220 kms hyd-kurnool and returned 27 ish for a litre of gas.. (hyd -bangalore)

This is acceptable!!! But below one is a real scary figure!!!!

Originally posted by theironhorse99 View Post

while return we did it around 80-85 and it returned around 42-43 for my bike and 40-41 for another cbr..

250cc engine at a speed of 80-85kmph gives 40+

then all 150cc should die instantly!!! MY R15 gives this figures in these range!!!

Still can belive it's a true one!!!

**yashwanthms** · 07-23-2012, 01:12 PM

Originally posted by Nithesh View Post

so uve been riding at 2.5k from day 1? lugging ur engine from day one?

In muddy roads, when I am bound to go slow, should I switch to 1st gear instead? I usually go in 2nd gear with half clutch and then releasing it. Am I doing wrong? I can't go beyond 20kmph in such roads.. So was going in 2nd gear..

Originally posted by aargee View Post

5K RPM is concern; but what happens beyond?

Knock or jerk?

It's like a mild jerk actually.. with a mild "tak" or "dsh" sound.. Can't spell that sound..

**aargee** · 07-23-2012, 01:27 PM

Originally posted by yashwanthms View Post

In muddy roads, when I am bound...such roads.. So was going in 2nd gear..

If its 1st gear fine, 2nd gear, sorry can't test & confirm now

Originally posted by yashwanthms View Post

It's like a mild jerk actually.. with a mild "tak" or "dsh" sound.. Can't spell that sound..

Sry, I can't understand the issue completely...but the point is...
- if its a jerk, then the issue is with releasing the clutch
- even if its after releasing the clutch fully & then there's a jerk, then either the RPM is too low & throttle is opened abrupt OR there's really an issue with clutch

Best option for you to is to choose the same road, but a different CBR & try it out with a friend. If the issue doesn't happen to you, then its the issue with your CBR.

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