Best mileage figure till date 44.6kmpl... full tank method 60% city riding, clocked 4400km, due with 2nd service. Anything important should I keep in mind during 2nd service??? planning to go for service this weekend.

Yellow reflective Rim tape on my bike..total 150Rs spend.

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Thank you all for the valuable inputs.. I now realize that changing the handle will not change the turning radius But I think it surely makes our life easier while riding in traffic coz my brother owns a Duke and I feel a lot comfortable on it specially in traffic. I have done 7500 kms on the odo and most of it in the city hence kind off got acquainted to the my NS

1. Absolutely NO starting problems. The bike starts at the first crank.
2. I don't think I said low pick up. The bike did surge like it used to before, only quieter. And it does rush away a tad bit better than a friend's brand new NS.
3. It's just gone, disappeared into thin air!

My bike's 7200 kms old. Can't say the rings sealed yesterday can I?
Update: Today I made up my mind to rip my bike away like crazy. You can call it a mood swing. The blissful inline-four like sound at the higher rpms is back . I expected increase in tappet noise but none, not even after the engine hit a jolly good temperature after hard ripping.

NS: The self healing bike, if you look at it that way.

Well, I've heard NS has a paper filter, which doesn't require all the cumbersome process of cleaning with kerosene, etc, etc. All that needs to be done is pressurised air blown at it to remove the dust. I could be wrong though. Also, I still am looking for the time to open the tank

For tuning the AFR, firstly, remove A spark plug and inspect closely. I assume your bike's already done a few thousand kilometers and the plugs haven't been cleaned recently. If it's all clean, then tuning is perfect. If it's sort of dusty (brownish powdery deposits to say the least) the bike's running lean. Or if it has a black liquid-like deposit (better known as fouling) the AFR is set to rich. Clean the plug, put it back in, get the engine well warmed up (you can ride for about 10 kms instead of keeping it in idle for a while) and use a screwdriver to turn the fuel screw anticlockwise for rich or clockwise for lean. You should make it rich or lean depending on what you saw on the spark plug. Rotate the screw a quarter of a revolution at a time and go for a spin. You should immediately notice a change in the bike's behaviour.

Ex: If you make it rich, you would notice a comparatively better low end pick up but you'd compromise on top speed.
If you make it lean, low end pick up would be disappointing but you can hit the top speed easily.
A perfect mixture (which is pretty hard to achieve) gives you the best of both worlds.

If you keep an observation over a range of kilometers, you'd notice that an engine with lean AFR heats up more than one with a rich AFR. Also, F.E is better with a lean AFR. But it's anyday better to run rich keeping in mind the heating effect.

No matter how hard you try, you wont get a perfect mixture immediately, or in one or two days, but after few more hundreds of kilometers of close observation of the spark plug and rotating the screw by minute amounts. Keep a check on the plugs every 750 or 1000 kms and you should get a vague idea of how well you've tuned.
Note: This method is by trial and error. It may take weeks before you get it right. I got mine right by fluke to say the least, as I was completely inexperienced when I tuned mine.

To clean the spark plug, I follow this method: How to Clean a Spark Plug - YouTube

Please guys, reply to these questions so that I can get a good picture of the typical 200NS engine behavior.



Really?? I have done it many times. Never faced this situation. There is a reservoir for accommodating this additional volume. And after a series of issues with liquid coolant vanishing/leaking now the level is constant..just a little below max level. In fact this heating issue was not there when I first got the issue with cooling system. I remember, after the leakage issue was fixed, in 2 weeks the liquid coolant totally vanished from the reservoir and i ran bike like that without noticing it for sometime, but still I never felt this kind of heating. After that I gave bike for 2nd service and they screwed something up that time. Since then I am having this heating issue.


EDIT: I have changed back to Motul 3000 15W50, 1.2 ltr of it. So far didn't see any difference in heating situation. While going home in the evening in traffic will give a better review. But one thing for sure bike feels heavy/stiff now as compared to it was with Motul 5100...

I am currently using motul 3000

this is the only oil i have used apart from the stock bajaj oil which comes from the factory

I must say that the power delivery seems to be lagging a bit in this oil when compared with the bajaj oil

Sure the engine is smoother but with bajaj oil..the NS felt more powerful..meaning the revs built up easily when compared to motul 3000

Some even complain of mileage drop with motul oils

During initial ownership period, my bike refused to start at odo of 1600km and radiator fan was on all the time and this had happened after 3 hours of parking in cold night, and it also used to give little out of petrol like feeling, then ecu was opened and reconnected then out of petrol feeling was gone...But after that never once i got chance to see fan running and after riding few 10-15 km bike used to feel rough, which i complained in 2nd svc, they changed my ecu in warranty and also my thermal sensor of radiator, now bike works flawlessly.. it does get heated, but i don't feel it, unless i go and touch it.

I don't know if it is of any help to u, thought of letting u know..

Another thing i didnt find difference in motul 3100, and motul 5100. Motul 5100 was smoother than bajaj oil but lasted only 2500kms...But bajaj oil makes me feel engine reving faster. Next in duke it is recommended to use bajaj oil or motul 7100, so they might have tested...So from next service my oil is motul 7100 and there after 7100 or bajaj oil....And it is better i fell if we use 7100 from starting i think...I don't know if it really needed to use mineral in running period as even my Chevrolet car gets synthetic oil from company from odo 0 km!!!

Hi guys. Where exactly is the radiator fan located, and how can I confirm it's proper functioning?

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Query Approved and Merged

Behind the radiator and it should start turning with about 3-4min in heavy traffic or just revving the heck out of it while parked. Do whichever sounds gentler to you.

Cheers
Ride safe
Krishna

my replies in bold.

minor acccident ... Fell down did not get hurt..
Left Leg guard bent fully.... front brake has some problem.. i think it is jammed...
Some liquid was coming out for some time from engine... engine oil i guess....
bike refuses to start.....

Guys pls tell me if bajaj svc ppl will come to my place or i will have to drag my bike till there...

first accident of my life !

Yes they will... Try calling or else go directly and bring them And I don't think it's engine oil.. It won't leak in case of such a minor accident.. It must be petrol from carburettor overflow or the coolant.. Hope you get it fixed soon

Cheers

Thanks buddy.

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Carb overflow petrol mostly probably, if it's coolant you will be able to notice form its's green color. The Service personals must be able to come and get the bike, try calling them, but try giving it a start a few times , and still if the bike is not in rideable condition, tow it to the svc.

Cheers
Ride Safe
Krishna