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**trustvishwas** · 03-16-2011, 10:28 AM

Originally posted by harikeshpk View Post

i am having a lot of pictures. will be uploading the entire lot shortly as i am caught up at chennai on official duty since monday.

will try and get a video copy of our rides from the video guy and pass it on to you

Thanks in advance for pictures and video.

**Anoop Desai** · 03-17-2011, 12:33 AM

Originally posted by trustvishwas View Post

ABS does not prevent skidding. Wheel lock is only one of the reasons for skidding. In basic terms, ABS just pumps brakes several times per second which any rider can't. ABS helps in applying maximum brake pressure without getting wheel lock. However, this does not prevent skidding.

Please go through the writeup once again and if it really says what you have mentioned above, please ask a simple question to writer of that article - If my bike has ABS but I brake hard while leaning in a corner at high speed on muddy road, will it prevent skidding?

No one can change laws of physics. Only god can. We, humans can only minimize the risk but it is always present.

ABS does not ensure that the wheels wont lock all the times. The tyre skids only when the friction between the tyre and the ground becomes abnormal. Initially when your braking is nearing the critical point the vehicle tends to float. You can feel it when observed carefully. After the critical point the wheel gets jammed. This makes the tyre skid on the surface(as the wheel can no more rotate). The skid can be straight in 'Ideal' conditions. But under practical conditions it does not happen so. Hence the vehicles drifts.

(Referring to the bold statements) Dont say that sir!

We have many examples where the characteristics of laws of physics are not considered.
eg., Years ago, at night times there was darkness . The only light source then was Sun! But the great Edisson has blessed us with light now. He did not change the laws of physics. He just manipulated the other laws of physics and gave a substitute. Similar things will happen here too. Maybe a day will come when we will use only Engine Braking and nothing else!!

**The Celebrity** · 03-17-2011, 02:09 AM

Originally posted by whizzkid_ram View Post

It was a great meet-up of fellow Ninja Riders in Munnar & the Track day purpose was well served on the twisties of Munnar itself

True, the Munnar G2G was too good and the Green Dragon was put for another test of off-roading but this time, I tried it up-hill and down-hill unlike last time... Ninja scored really well!

Photos of the terrain coming up soon...

**whizzkid_ram** · 03-17-2011, 08:51 AM

Originally posted by The Celebrity View Post

True, the Munnar G2G was too good and the Green Dragon was put for another test of off-roading but this time, I tried it up-hill and down-hill unlike last time... Ninja scored really well!

Photos of the terrain coming up soon...

Keep em flowing Ninjay

**<F.I>** · 03-17-2011, 12:14 PM

To all Delhi ninja owners and all ninja owners who are in delhi -

Anyone going for the G.O.D.S. g2g on 3rd april???

**n_aditya** · 03-17-2011, 03:34 PM

Ninja owners, please see this and share your views.

How do I adjust the valves? - Ninja250Wiki

Do I really need to adjust the valves every 6000 miles? - Ninja250Wiki

Is the above adjustment only for the carb'd 250R's? At the 12000 kms mark Bajaj performs vacuum synchronization. Can anyone share what vacuum sync is and why valve clearances are not checked for our bikes?

**bluevolt** · 03-17-2011, 08:35 PM

Originally posted by n_aditya View Post

Ninja owners, please see this and share your views.

How do I adjust the valves? - Ninja250Wiki

Do I really need to adjust the valves every 6000 miles? - Ninja250Wiki

Is the above adjustment only for the carb'd 250R's? At the 12000 kms mark Bajaj performs vacuum synchronization. Can anyone share what vacuum sync is and why valve clearances are not checked for our bikes?

They are checked at 12k service. They did check mine with a small hand tool after partially opening the cylinder heads.

**rajivenky** · 03-17-2011, 08:50 PM

Originally posted by whizzkid_ram View Post

It was a great meet-up of fellow Ninja Riders in Munnar & the Track day purpose was well served on the twisties of Munnar itself

I second that,the Top station ride was 33kms of bliss.

**n_aditya** · 03-17-2011, 11:47 PM

Originally posted by bluevolt View Post

They are checked at 12k service. They did check mine with a small hand tool after partially opening the cylinder heads.

Funny that they call it vacuum synchronization instead of the plain old term.

Taken from here:

" The recommended interval is 6000 miles, and it's probably a good idea to follow that, especially if you ride like most people in this club. If you're doing mostly commuting, you can maybe let it go a little longer, but bad things can happen if you neglect your valves. Also, don't forget the initial 500-mile valve service."

So why is it that the vavles on our bikes are attended to at 12,000 kms instead of 9500 kms as per above?

Isnt that bad for the bike? Worse actually considering the conditions we ride in. Abroad, the air is cleaner, lesser stress on the engine and brakes (disciplined traffic) etc. so it makes me think we should have this valve clearance checks much much earlier.

Furthermore, it says that the valves need servicing at the initial 500 mile/800 kms service

which is done here only post 12k kms.

Anyone has any views? I'm going to call prasanna tomorrow and clear this out.

**Hyperion** · 03-18-2011, 01:16 AM

Originally posted by n_aditya View Post

Funny that they call it vacuum synchronization instead of the plain old term.

Taken from here:

" The recommended interval is 6000 miles, and it's probably a good idea to follow that, especially if you ride like most people in this club. If you're doing mostly commuting, you can maybe let it go a little longer, but bad things can happen if you neglect your valves. Also, don't forget the initial 500-mile valve service."

So why is it that the vavles on our bikes are attended to at 12,000 kms instead of 9500 kms as per above?

Isnt that bad for the bike? Worse actually considering the conditions we ride in. Abroad, the air is cleaner, lesser stress on the engine and brakes (disciplined traffic) etc. so it makes me think we should have this valve clearance checks much much earlier.

Furthermore, it says that the valves need servicing at the initial 500 mile/800 kms service

which is done here only post 12k kms.

Anyone has any views? I'm going to call prasanna tomorrow and clear this out.

I am worried now. I am almost 19K on the speedo, my valve clearances were never checked and neither vaccum sync performed (This inspite of me imploring them to do so).

**harikeshpk** · 03-18-2011, 08:14 AM

Originally posted by Hyperion View Post

I am worried now. I am almost 19K on the speedo, my valve clearances were never checked and neither vaccum sync performed (This inspite of me imploring them to do so).

please dont get worried. your ninja compared to the US version, is the best piece of machine you can get. The entire engine operation is controlled by the ECU which optimise's the process so you get a longer service interval than the carb version.

this was further reinforced at the track session classes at the ninja green day by Bajaj Probiking a detailed session was given on the bike itself .

dont worry. but you are free to clarify the same from PBK.

**jd666** · 03-18-2011, 10:13 AM

^^ valve clearance is to do with the running of the engine, not the ECU. Even the R15 valve clearance is set at the first service and then every 6000-9000 kms depending on engine vibration.

Its best to get it checked, And since the valve clearance on the ninja cannot be set by tightening the bolt ( it needs shims iirc ), it is a slightly cumbersome process if it needs to be adjusted.

But yes, for a high revving engine like the ninja, it should be checked in due time.

**The Celebrity** · 03-18-2011, 10:38 AM

Few snaps from the off-roading session towards 'Kolukkumalai Tea Estate' during the Munnar Tri-state G2G... The Ninja performed like Rockstar...

**n_aditya** · 03-18-2011, 11:41 AM

Originally posted by Hyperion View Post

I am worried now. I am almost 19K on the speedo, my valve clearances were never checked and neither vaccum sync performed (This inspite of me imploring them to do so).

I suggest you talk to Prakhar. Let me know if you want his number.

Originally posted by jd666 View Post

^^ valve clearance is to do with the running of the engine, not the ECU. Even the R15 valve clearance is set at the first service and then every 6000-9000 kms depending on engine vibration.

Its best to get it checked, And since the valve clearance on the ninja cannot be set by tightening the bolt ( it needs shims iirc ), it is a slightly cumbersome process if it needs to be adjusted.

But yes, for a high revving engine like the ninja, it should be checked in due time.

+1. I'm going to check with Prasanna and team today.

**n_aditya** · 03-18-2011, 03:25 PM

Checked with Prasanna a while ago on the valve adjustment information and he mentioned that its not necessary as mentioned in the links i posted earlier. He did say that if the valves were off even by say, 1/10th the specified clearance, the noise would be evident at idle.

His assurance was that there would be no problems whatsoever, even post the expiry of the warranty period.

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