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**s.roy0717** · 11-26-2012, 01:07 PM

Originally posted by Rahulbarik View Post

thats exactly what i wanted to say

from day 1 i got my bike, i've been fiddling with the tuning almost every other day.... There is mot much difference in mileage with a richer mix...moreover it runs better.... If i get 50kmpl on highway with 4%co then its more than i can ask for....

and lastly mileage does depend on riding style and tyre pressure.... I run 28 front, 35rear(both tyres changed to zapper fx and revz-s respectively) and i shift at 3k for the first 3 gears and 3.2-3.3k for the remaining when i am in a mood to get mileage.... It also depends on throttle modulation, clutch usage and braking.... I am happy with anything close to 40kmpl

Yeah, that's also a fact (Bold part) to be known. So keep fiddling & share ur conscience & hope for the best

**Aditya N Bharadwaj** · 11-26-2012, 01:33 PM

Originally posted by ramdante View Post

So how many turns did you do? And in which direction to achieve a 4% CO?

Originally posted by Rahulbarik View Post

well i dont calculate the number of turns coz i cant twist the fuel screw at one go...since the screwdriver remains tilted it always slips.... As i told earlier i keep on making it richer from lean until i get a good spike at 7k with a smooth engine and smooth power delivery from low revs.... Then keeping the fuel screw at the same spop, increase the idle to 4k and then listen to the sound of the engine and exhaust beats and again fiddle with the fuel screw just by fractions.... Then reduce to idle to 1.4k... If i am not satisfied, i repeat it... See i am no pro at tuning but i do get a good mix with smooth engine... I am not encouraging others to try it though.... Tuning without knowledge is always a risk factor....

It's a good way to tune. Even though my biking knowledge dates just 3 months back from today, I still tried to tune the bike, screwed up the settings, tried again and finally got that satisfying sound from the engine. That was the perfect tune or stoichiometry. Yet I made it richer coz it lacked the low end pull. I quoted that text in bold because it's completely true. Not every amateur like me can get lucky at a few tries.

Originally posted by Rahulbarik View Post

well i guess yours is rtr180... Anyways you are running very lean... Make it richer....

I thought rtr 180 came with FI.

Anyway, though I read everywhere on the net that the NS and Duke don't make that tik tik sound after the engine's well heated and stopped, I heard a very very faint sound today. Where is it from? The catcon?

**Shibadip** · 11-26-2012, 01:39 PM

Originally posted by Aditya N Bharadwaj View Post

Anyway, though I read everywhere on the net that the NS and Duke don't make that tik tik sound after the engine's well heated and stopped, I heard a very very faint sound today. Where is it from? The catcon?

yes... Both duke and NS have Catcon (but quite smaller as compared to other bikes). SO after a through hard ride, and slight tik tik sound is normal!!
BTW, what's ur mileage??

**Rahulbarik** · 11-26-2012, 03:22 PM

Originally posted by s.roy0717 View Post

Yeah, that's also a fact (Bold part) to be known. So keep fiddling & share ur conscience & hope for the best

i love to fiddle with my bike, even if it means screwing things up....thats the way you learn.... @aditya: yes we are just amateurs trying to learn things the hard way, ie experimenting on our bikes... There is high possibility of screwing things up though....one setting which works on my bike wont work on another....all bikes are different... It a trial and error method.... And that tick tick sound is from the catcon cooling down... I used to get it when i ran extreamely lean but never get it now... Maybe because it was heating up more while running lean... Do you run lean?

**Aditya N Bharadwaj** · 11-26-2012, 04:12 PM

Originally posted by Shibadip View Post

yes... Both duke and NS have Catcon (but quite smaller as compared to other bikes). SO after a through hard ride, and slight tik tik sound is normal!!
BTW, what's ur mileage??

40km/l Tankfull to reserve method.

Originally posted by Rahulbarik View Post

i love to fiddle with my bike, even if it means screwing things up....thats the way you learn.... @aditya: yes we are just amateurs trying to learn things the hard way, ie experimenting on our bikes... There is high possibility of screwing things up though....one setting which works on my bike wont work on another....all bikes are different... It a trial and error method.... And that tick tick sound is from the catcon cooling down... I used to get it when i ran extreamely lean but never get it now... Maybe because it was heating up more while running lean... Do you run lean?

Nope I run rich, like I said in my earlier posts.

Only, today I was in a real good mood and ripped my bike like crazy! While at it I realised what I had been missing out on! After that I heard the sound.

It's pretty confusing. How does an engine running on a rich mix manage to stay fairly cooler compared to the same engine running on a lean mix? I mean more fuel means more combustion so more heat..so it should be opposite, theoretically right?

**s.roy0717** · 11-26-2012, 04:22 PM

Originally posted by Rahulbarik View Post

i love to fiddle with my bike, even if it means screwing things up....thats the way you learn.... @aditya: yes we are just amateurs trying to learn things the hard way, ie experimenting on our bikes... There is high possibility of screwing things up though....one setting which works on my bike wont work on another....all bikes are different... It a trial and error method.... And that tick tick sound is from the catcon cooling down... I used to get it when i ran extreamely lean but never get it now... Maybe because it was heating up more while running lean... Do you run lean?

All is kool, But technically, it's not just a factor of lean/rich alone. Many factors are to be taken in to consideration. The NS has an ECU system, which, if compared to other bikes with just timed controlled units, is way more effective. But that's not all to it, many other things are handled/controlled by the ECU.
I suggest u to try to get a few imp tuning gadgets, specially the ECU reading/decoding analyzer. That way U can fiddle more & have an effective o/p than u can expect

**mayank.travadi** · 11-26-2012, 05:12 PM

Originally posted by Rahulbarik View Post

well this is the only reason i never revealed the mileage figure in xbhp earlier.... I went 136 kms in exactly two litres fuel on 100% highway.... What i observed is it gives better mileage at night time with cool weather....engine also runs smoother.... Btw i used to get 35-37kmpl on city with 4% co.... Got that insane figure at night time.... Anyways i know what i got and am happy for it... No point discussing.... Just as a matter of fact, i got 35 in city with 4%co and got the same mileage with 1.7%co.... moreover my bike ran much much smoother with 4% and more power low down on the rev range.... So when i am getting same mileage with lower power at 1.7% why should i stick to it...? Now my bike does get heated up sometimes and become harsh but that was never the case with my earlier tuning....bike now refuses to start at morning and dies off...it didn't happen earlier... Otherwise my engine is running awesum.. No offence but i just shared my experience...no intention of spamming the thread...

that is unbeliveable becuase (from bajaj)1000s of experts and engineers and technicians and mechanics and many more who were involved in developing testing this bike extensively with 100s of test runs came to a figure of 58kmpl mileage when ridden on highest gear at a constant 50-55 kph speed.
but i am sure u are not lying.
each bike is different
may be your bike is an extraordinary piece which has every thing perfect with the right tuning...

what works for u didnt work for me
that is keeping it at lower CO helps me in better cold start and power delivery is much better...but havent calculated the mileage yet

and the point for lower CO is a little love and care for your environment :P
but we love our bikes more done we

Originally posted by Aditya N Bharadwaj View Post

It's pretty confusing. How does an engine running on a rich mix manage to stay fairly cooler compared to the same engine running on a lean mix? I mean more fuel means more combustion so more heat..so it should be opposite, theoretically right?

rich and lean are terms not related to just amount of fuel going into the engine but the ratio of air and fuel going into the engine...

when lean there is more air and less petrol(compared to perfect mix) and there is complete fuel combustion and hence more heat

when u run rich there is more fuel and less air(again compared to perfect mix) and there is not a coplete combustion and full energy from the petrol isnt derived and hence lesser heat...i hope this clears your doubt

also u cannot keep running supper lean so all the petrol is completely used becuase there is an amount of heat the components can handle and a point where there is the best mixture of efficiency and power..hence the perfect setting between rich and lean

Originally posted by s.roy0717 View Post

All is kool, But technically, it's not just a factor of lean/rich alone. Many factors are to be taken in to consideration. The NS has an ECU system, which, if compared to other bikes with just timed controlled units, is way more effective. But that's not all to it, many other things are handled/controlled by the ECU.
I suggest u to try to get a few imp tuning gadgets, specially the ECU reading/decoding analyzer. That way U can fiddle more & have an effective o/p than u can expect

where did u learn about the ECU in the pulsar200NS? i cant find it anywhere on the net...any links will be very helpfull

**s.roy0717** · 11-26-2012, 06:21 PM

Originally posted by mayank.travadi View Post

where did u learn about the ECU in the pulsar200NS? i cant find it anywhere on the net...any links will be very helpfull

LOL... Just check the technical specs anywhere. Look at the ignition row, it should be written there : spark ignition through ECU. Now it happens to be so that if an ECU is so provided, it's function isn't restricted to just one.

**myth2104** · 11-26-2012, 06:58 PM

Originally posted by avi_nash94 View Post

Got the center stand installed yesterday.Its really helpful in maintaining the bike.Total charges:Rs.517(for stand)+Rs.80(stand fitting+clutch adjustment+tuning+tightening of all parts).Seems pretty reasonable.

Can you please confirm if the particular svc from where you got your center stand still has the center stands. I (and may be @rahulbarik and @Shibadip) may come down to Bandel to get it on ours.

Thanks

**Shibadip** · 11-26-2012, 07:28 PM

Originally posted by myth2104 View Post

Can you please confirm if the particular svc from where you got your center stand still has the center stands. I (and may be @rahulbarik and @Shibadip) may come down to Bandel to get it on ours.

Thanks

I am in.. and will also stock up a oil filter as well..

BTW, found this on the FB. BumbleBee owners, INTERESTED???

**Samshalu** · 11-26-2012, 08:18 PM

Did 1st service today,bike is smoother than before & can feel better performance & getting a good mileage of 48km/L.Also got the centre stand installed,total cost about 684Rs...& about 900Rs for engine oil..

Now done 791kms,bike is smooth & no problems faced till now..Really happy with the bike & service

Attached Files

**tusharsmoily** · 11-26-2012, 08:30 PM

So if I want my bike to perform better at higher revvs, should the AFR mixture be slightly lean or slightly rich?

**tusharsmoily** · 11-26-2012, 08:31 PM

So if I want my bike to perform better at higher revvs, should the AFR mixture be slightly lean or slightly rich? And which direction should I rotate the screw to get the desired result?

**Shibadip** · 11-26-2012, 08:35 PM

Originally posted by Samshalu View Post

Did 1st service today,& about 900Rs for engine oil..

900/- for the engine oil??? Did u put any thing costlier than DTSI oil??
Coz 1.2 ltr of DTSI oil cost me 430/- something bucks..

Originally posted by tusharsmoily View Post

So if I want my bike to perform better at higher revvs, should the AFR mixture be slightly lean or slightly rich?

Hav to tune rich, for which u need to turn the fuel screw anti-clockwise

**Samshalu** · 11-26-2012, 09:01 PM

Originally posted by Shibadip View Post

900/- for the engine oil??? Did u put any thing costlier than DTSI oil??Coz 1.2 ltr of DTSI oil cost me 430/- something bucks..

Really? My Dad took the bike for service & he told they took abt 900Rs for the engine oil itself!

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