Finally, the mystery of the oily spark plug threads has been solved!
Its just condensed oil deposits like deduced.. I had a hunch and i opened up my spark plugs right after i came back from a small ride.. I figured that if it is condensing oil, there wont be any if i open it up when the engines hot. And viola! no oil condensate!!

I have checked 5 200NS since you posted that oil deposit post earlier, both single color and dual color. Non had any oil deposit on any plug.

Eyup, never gonna try cornering above 120 km/h. Not on NS anyway.

So finally I've arrived at the conclusion that the oil deposit on spark plug thread is a common characteristic of the 200NS engine. Many people got back to me saying that they found the exact same observation as I did - oily left plug and clean right plug (now this is assuming that the mechanic did NOT apply oil on the thread to screw it in, in the first place).

Now even though this is not a worrying matter anymore, what could the reason for it be? Could it be one of the following?

Synthetic oil is overkill for this engine.

Or

It's something to do with the bike being placed on side stand and leaned to the left over a few hours so oil trickles down to the left from the head.

Or

The fact that 4 stroke IC engines normally consume a little engine oil and the NS engine consumes a little more.

Or

The burnt fumes that blow past the piston rings into the oil chamber during the combustion cycle get recycled through the PCV system, whereby the fumes along with a small quantity of vaporised oil at high temperatures get pumped back to the intake to be mixed with fresh charge. This vaporised oil might enter the combustion chamber again and might settle on the spark plugs. But why left plug only? Perhaps something to do with the way the flamefront propagates in the cylinder as a direct result of the firing order of the plugs. For example if the right plug fires a split millisecond before the others, the charge bursts into combustion, pushing everything away (including vaporised oil) from this plug and the momentum is good enough to make it deposit on the others. Oh did i ever mention? There was oil on the main plug too.

Or

Bad quality valve seals or guides? This cant be because the engine is a gem, a high revving reliable engine which was designed and tested to stay rock solid at 11k rpm. A flimsy engine wont survive saddlesores, 1000 km days and high altitude runs in a variety of temperatures.

Anyone else curious to find out the story inside their engine may open the plugs at home and see.

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[ATTACH]145704[/ATTACH]
Some altration in meter
All digital indicator on the left
Sidestand indicator is digital
Redline on rpm is 9.5k
Reserve/rpm limit light written with rpm limit.

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That is a console used Indonesian Kawasaki 200ns version.

I thought Indonesian 200NS had "Kawasaki" written instead of the Bajaj logo.

Like this

Some altration in meter
All digital indicator on the left
Sidestand indicator is digital
Redline on rpm is 9.5k
Reserve/rpm limit light written with rpm limit.

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Jugaad to fix Visor/windshield. Suggest me plz..
anybody form here using visor..?
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Check this link below.

RTM Design Introduces Touring Accessories For Pulsar 200 NS | MotorBeam – Indian Car Bike News & Reviews

Four Wheels Move The Body.....
Two Wheels Set You Exploring....

This is the console of the new Dual Tone NS.
My is also this one.

Four Wheels Move The Body.....
Two Wheels Set You Exploring....

But my Dual tone NS does not have this revamped new meter . No side stand indicator on the digital console

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