aashay_t

Hey guys,
I have a pulsar 180, 2007 model. Completed over 19000 kms on it.
Two months back I got a K&N installed on my bike. Well, I kind of fixed it myself inside the black box.
I did not know anything about re-jetting the carburetor so I neglected it.
The bike worked fine for about two months. It gave a better pick-up and reached over 100 at a better time.

But recently, I noticed a significant decrease in the pick-up and over-all acceleration.
-The top speed dropped down to 99-100 kmph.
-One thing that is really disturbing is that it sounds like a two stroke bike
(not exactly but it thumps like one, means the ride is not smooth as it
used to be).
-And whenever I release the clutch in 1st gear , for a fraction it seems that the bike has run out of fuel.

So someone told me that my bike was running lean and I need to get bigger jets for my bike. I looked everywhere in Aurangabad but couldn’t find any. So I tuned my carburetor itself to get a richer mix (not too rich but just enough). I had to try it a couple of times but I finally managed it.
-Now it has a better pick-up than before (not as good as I used to have originally)
-It went up to about 108 on the top but still takes a lot of time and revving to get there
BUT
-it still feels as though it is running out of fuel during the 1st fraction in pick-up
-Also, my spark plug has a black deposit around it. I checked it right after I riding for 6-7 kms.
-Why is that?? I thought it happens when the mixture is too rich.
But all other symptoms above suggest a leaner mixture, don’t they?
I am confused, please help.. I cant even beat a P-150..(2007 model, without K&N)

and it would be reaaly helpful if anyone could tell me where I can get the re-jetting done in nagpur or aurangabad..
thank you

Aryan

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